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38145329352 = 2335132116107
BaseRepresentation
bin100011100001101000…
…111000100011001000
310122110102011111200000
4203201220320203020
51111110201014402
625305042443000
72520163643514
oct434150704310
9118412144600
1038145329352
11151a5053589
127486963460
13379ba60200
141bbc143144
15ed3c7ec1c
hex8e1a388c8

38145329352 has 144 divisors (see below), whose sum is σ = 116012791440. Its totient is φ = 11736923328.

The previous prime is 38145329311. The next prime is 38145329359. The reversal of 38145329352 is 25392354183.

38145329352 is a `hidden beast` number, since 3 + 81 + 4 + 532 + 9 + 35 + 2 = 666.

It is a super-3 number, since 3×381453293523 (a number of 33 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 38145329298 and 38145329307.

It is not an unprimeable number, because it can be changed into a prime (38145329359) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 270483 + ... + 386589.

It is an arithmetic number, because the mean of its divisors is an integer number (805644385).

Almost surely, 238145329352 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 38145329352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58006395720).

38145329352 is an abundant number, since it is smaller than the sum of its proper divisors (77867462088).

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

38145329352 is a wasteful number, since it uses less digits than its factorization.

38145329352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116154 (or 116125 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 38145329352 in words is "thirty-eight billion, one hundred forty-five million, three hundred twenty-nine thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 81 104 108 117 156 162 169 216 234 243 312 324 338 351 468 486 507 648 676 702 936 972 1014 1053 1352 1404 1521 1944 2028 2106 2808 3042 3159 4056 4212 4563 6084 6318 8424 9126 12168 12636 13689 18252 25272 27378 36504 41067 54756 82134 109512 116107 164268 232214 328536 348321 464428 696642 928856 1044963 1393284 1509391 2089926 2786568 3018782 3134889 4179852 4528173 6037564 6269778 8359704 9056346 9404667 12075128 12539556 13584519 18112692 18809334 19622083 25079112 27169038 28214001 36225384 37618668 39244166 40753557 54338076 56428002 58866249 75237336 78488332 81507114 108676152 112856004 117732498 122260671 156976664 163014228 176598747 225712008 235464996 244521342 326028456 353197494 366782013 470929992 489042684 529796241 706394988 733564026 978085368 1059592482 1412789976 1467128052 1589388723 2119184964 2934256104 3178777446 4238369928 4768166169 6357554892 9536332338 12715109784 19072664676 38145329352