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123711818177068 = 221142145714613701
BaseRepresentation
bin11100001000001111100110…
…111110100001101000101100
3121020000201211022112022022021
4130020033212332201220230
5112203343300423131233
61115040231422155524
735025612116131432
oct3410174676415054
9536021738468267
10123711818177068
1136466984222970
1211a60219722ba4
135404c88999794
142279980a78d52
15e48065758e2d
hex7083e6fa1a2c

123711818177068 has 48 divisors (see below), whose sum is σ = 237256140891168. Its totient is φ = 55976316480000.

The previous prime is 123711818177063. The next prime is 123711818177113. The reversal of 123711818177068 is 860771818117321.

It is a super-2 number, since 2×1237118181770682 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123711818176997 and 123711818177015.

It is not an unprimeable number, because it can be changed into a prime (123711818177063) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1158618 + ... + 15772318.

It is an arithmetic number, because the mean of its divisors is an integer number (4942836268566).

Almost surely, 2123711818177068 is an apocalyptic number.

It is an amenable number.

123711818177068 is a deficient number, since it is larger than the sum of its proper divisors (113544322714100).

123711818177068 is a wasteful number, since it uses less digits than its factorization.

123711818177068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14614594 (or 14614592 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 61.

The spelling of 123711818177068 in words is "one hundred twenty-three trillion, seven hundred eleven billion, eight hundred eighteen million, one hundred seventy-seven thousand, sixty-eight".

Divisors: 1 2 4 11 22 44 421 457 842 914 1684 1828 4631 5027 9262 10054 18524 20108 192397 384794 769588 2116367 4232734 8465468 14613701 29227402 58454804 160750711 321501422 643002844 6152368121 6678461357 12304736242 13356922714 24609472484 26713845428 67676049331 73463074927 135352098662 146926149854 270704197324 293852299708 2811632231297 5623264462594 11246528925188 30927954544267 61855909088534 123711818177068