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133112312015230 = 2561647337274969
BaseRepresentation
bin11110010001000010100000…
…000100101010100101111110
3122110022102010220011002020201
4132101002200010222211332
5114421403003333441410
61151034541341434114
740016022116302312
oct3621024004524576
9573272126132221
10133112312015230
11394606839a12a9
1212b1a083b6b93a
13593758b5a3022
1424c2955353b42
15105c853d7b83a
hex7910a012a97e

133112312015230 has 32 divisors (see below), whose sum is σ = 243906465504960. Its totient is φ = 52291111038720.

The previous prime is 133112312015173. The next prime is 133112312015231. The reversal of 133112312015230 is 32510213211331.

It is a super-2 number, since 2×1331123120152302 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133112312015231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168242815 + ... + 169032154.

It is an arithmetic number, because the mean of its divisors is an integer number (7622077047030).

Almost surely, 2133112312015230 is an apocalyptic number.

133112312015230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133112312015230 is a deficient number, since it is larger than the sum of its proper divisors (110794153489730).

133112312015230 is a wasteful number, since it uses less digits than its factorization.

133112312015230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337275684.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 133112312015230 its reverse (32510213211331), we get a palindrome (165622525226561).

The spelling of 133112312015230 in words is "one hundred thirty-three trillion, one hundred twelve billion, three hundred twelve million, fifteen thousand, two hundred thirty".

Divisors: 1 2 5 10 61 122 305 610 647 1294 3235 6470 39467 78934 197335 394670 337274969 674549938 1686374845 3372749690 20573773109 41147546218 102868865545 205737731090 218216904943 436433809886 1091084524715 2182169049430 13311231201523 26622462403046 66556156007615 133112312015230