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238196037640912 = 241317198663409261
BaseRepresentation
bin110110001010001101010110…
…001101011110001011010000
31011020101022121102010012120221
4312022031112031132023100
5222210100441114002122
62202333425443442424
7101113044602335051
oct6612152615361320
91136338542105527
10238196037640912
11699954105437aa
122286bba3086414
13a2baa3673b870
1442b6a6d3b8728
151c8105b4656c7
hexd8a35635e2d0

238196037640912 has 160 divisors (see below), whose sum is σ = 554002974040320. Its totient is φ = 98012439797760.

The previous prime is 238196037640879. The next prime is 238196037640949. The reversal of 238196037640912 is 219046730691832.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 581810362 + ... + 582219622.

It is an arithmetic number, because the mean of its divisors is an integer number (3462518587752).

Almost surely, 2238196037640912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238196037640912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277001487020160).

238196037640912 is an abundant number, since it is smaller than the sum of its proper divisors (315806936399408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238196037640912 is a wasteful number, since it uses less digits than its factorization.

238196037640912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417981 (or 417975 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 238196037640912 in words is "two hundred thirty-eight trillion, one hundred ninety-six billion, thirty-seven million, six hundred forty thousand, nine hundred twelve".

Divisors: 1 2 4 8 13 16 17 19 26 34 38 52 68 76 104 136 152 208 221 247 272 304 323 442 494 646 884 988 1292 1768 1976 2584 3536 3952 4199 5168 8398 8663 16796 17326 33592 34652 67184 69304 112619 138608 147271 164597 225238 294542 329194 409261 450476 589084 658388 818522 900952 1178168 1316776 1637044 1801904 1914523 2139761 2356336 2633552 2798149 3274088 3829046 4279522 5320393 5596298 6548176 6957437 7658092 7775959 8559044 10640786 11192596 13914874 15316184 15551918 17118088 21281572 22385192 27829748 30632368 31103836 34236176 36375937 42563144 44770384 55659496 62207672 72751874 85126288 90446681 101087467 111318992 124415344 132191303 145503748 180893362 202174934 264382606 291007496 361786724 404349868 528765212 582014992 723573448 808699736 1057530424 1447146896 1617399472 1718486939 2115060848 3436973878 3545428043 6873947756 7090856086 13747895512 14181712172 27495791024 28363424344 46090564559 56726848688 60272276731 67363132817 92181129118 120544553462 134726265634 184362258236 241089106924 269452531268 368724516472 482178213848 538905062536 737449032944 783539597503 875720726621 964356427696 1077810125072 1145173257889 1567079195006 1751441453242 2290346515778 3134158390012 3502882906484 4580693031556 6268316780024 7005765812968 9161386063112 12536633560048 14011531625936 14887252352557 18322772126224 29774504705114 59549009410228 119098018820456 238196037640912