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68026492967136 = 253112414313125357
BaseRepresentation
bin11110111011110101001101…
…11100101101100011100000
322220212021021020222002112120
433131322212330231203200
532404021224144422021
6400402534530424240
720220515624443134
oct1735724674554340
9286767236862476
1068026492967136
111a747967918700
127767ba6a32080
132bc5b420a7c62
1412b26dd7513c4
157ce7d27e62c6
hex3ddea6f2d8e0

68026492967136 has 576 divisors, whose sum is σ = 207320896113408. Its totient is φ = 19492881408000.

The previous prime is 68026492967123. The next prime is 68026492967159. The reversal of 68026492967136 is 63176929462086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2682737370 + ... + 2682762726.

It is an arithmetic number, because the mean of its divisors is an integer number (359932111308).

Almost surely, 268026492967136 is an apocalyptic number.

68026492967136 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68026492967136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103660448056704).

68026492967136 is an abundant number, since it is smaller than the sum of its proper divisors (139294403146272).

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

68026492967136 is a wasteful number, since it uses less digits than its factorization.

68026492967136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25607 (or 25588 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 69.

The spelling of 68026492967136 in words is "sixty-eight trillion, twenty-six billion, four hundred ninety-two million, nine hundred sixty-seven thousand, one hundred thirty-six".