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230072637240 = 233252341272999
BaseRepresentation
bin1101011001000101100…
…1011101011100111000
3210222212011020221102200
43112101121131130320
512232142043342430
6253405515030200
722423262102145
oct3262131353470
9728764227380
10230072637240
1189634007706
123870aa3b360
1318907767294
14b1c80373cc
155eb864a460
hex359165d738

230072637240 has 96 divisors (see below), whose sum is σ = 748058220000. Its totient is φ = 61326270720.

The previous prime is 230072637239. The next prime is 230072637257. The reversal of 230072637240 is 42736270032.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 230072637195 and 230072637204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 706261 + ... + 979259.

It is an arithmetic number, because the mean of its divisors is an integer number (7792273125).

Almost surely, 2230072637240 is an apocalyptic number.

230072637240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230072637240 is an abundant number, since it is smaller than the sum of its proper divisors (517985582760).

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

230072637240 is a wasteful number, since it uses less digits than its factorization.

230072637240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275357 (or 275350 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The spelling of 230072637240 in words is "two hundred thirty billion, seventy-two million, six hundred thirty-seven thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 2341 4682 7023 9364 11705 14046 18728 21069 23410 28092 35115 42138 46820 56184 70230 84276 93640 105345 140460 168552 210690 272999 280920 421380 545998 818997 842760 1091996 1364995 1637994 2183992 2456991 2729990 3275988 4094985 4913982 5459980 6551976 8189970 9827964 10919960 12284955 16379940 19655928 24569910 32759880 49139820 98279640 639090659 1278181318 1917271977 2556362636 3195453295 3834543954 5112725272 5751815931 6390906590 7669087908 9586359885 11503631862 12781813180 15338175816 19172719770 23007263724 25563626360 28759079655 38345439540 46014527448 57518159310 76690879080 115036318620 230072637240