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12438562070168 = 2313365633271109
BaseRepresentation
bin1011010100000001010000…
…0100101101111010011000
31122001010002202222121101022
42311000110010231322120
53112243133342221133
642242110241142012
72422441110055043
oct265002404557230
948033082877338
1012438562070168
113a6618a01a283
12148a81532a908
136c2c4a211510
1431005b3a5c5a
1516884ee67998
hexb501412de98

12438562070168 has 32 divisors (see below), whose sum is σ = 25117021868400. Its totient is φ = 5740716033408.

The previous prime is 12438562070161. The next prime is 12438562070197. The reversal of 12438562070168 is 86107026583421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12438562070161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2166998 + ... + 5438106.

Almost surely, 212438562070168 is an apocalyptic number.

It is an amenable number.

12438562070168 is an abundant number, since it is smaller than the sum of its proper divisors (12678459798232).

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

12438562070168 is a wasteful number, since it uses less digits than its factorization.

12438562070168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307691 (or 3307687 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 12438562070168 in words is "twelve trillion, four hundred thirty-eight billion, five hundred sixty-two million, seventy thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 104 36563 73126 146252 292504 475319 950638 1901276 3271109 3802552 6542218 13084436 26168872 42524417 85048834 170097668 340195336 119601558367 239203116734 478406233468 956812466936 1554820258771 3109640517542 6219281035084 12438562070168