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68026956900954 = 23105110787655709
BaseRepresentation
bin11110111011110110000101…
…00110011110101001011010
322220212022110120221101002120
433131323002212132221122
532404023201431312304
6400403052542242110
720220533260014642
oct1735730246365132
9286768416841076
1068026956900954
111a748085790a87
1277680b6286336
132bc5bb7242bcc
1412b27451d9522
157ce80d3d80d9
hex3ddec299ea5a

68026956900954 has 16 divisors (see below), whose sum is σ = 136183365683040. Its totient is φ = 22654076986800.

The previous prime is 68026956900769. The next prime is 68026956900961. The reversal of 68026956900954 is 45900965962086.

It is a super-2 number, since 2×680269569009542 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5393821549 + ... + 5393834160.

It is an arithmetic number, because the mean of its divisors is an integer number (8511460355190).

Almost surely, 268026956900954 is an apocalyptic number.

68026956900954 is an abundant number, since it is smaller than the sum of its proper divisors (68156408782086).

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

68026956900954 is a wasteful number, since it uses less digits than its factorization.

68026956900954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10787656765.

The product of its (nonzero) digits is 251942400, while the sum is 69.

The spelling of 68026956900954 in words is "sixty-eight trillion, twenty-six billion, nine hundred fifty-six million, nine hundred thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 1051 2102 3153 6306 10787655709 21575311418 32362967127 64725934254 11337826150159 22675652300318 34013478450477 68026956900954