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68901011010986 = 2711240673560219
BaseRepresentation
bin11111010101010010001000…
…10010010011010110101010
3100000221212112220221200102012
433222221010102103112222
533012333232304322421
6402312404255235522
720340635166246260
oct1752510422232652
9300855486850365
1068901011010986
111aa54833519700
127889589218ba2
132c5a4505226ab
141302b80774430
157e7417b9d95b
hex3eaa444935aa

68901011010986 has 24 divisors (see below), whose sum is σ = 129830004222240. Its totient is φ = 26844549743880.

The previous prime is 68901011010929. The next prime is 68901011011033.

68901011010986 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20336778416 + ... + 20336781803.

It is an arithmetic number, because the mean of its divisors is an integer number (5409583509260).

Almost surely, 268901011010986 is an apocalyptic number.

68901011010986 is a deficient number, since it is larger than the sum of its proper divisors (60928993211254).

68901011010986 is a wasteful number, since it uses less digits than its factorization.

68901011010986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40673560250 (or 40673560239 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 50.

The spelling of 68901011010986 in words is "sixty-eight trillion, nine hundred one billion, eleven million, ten thousand, nine hundred eighty-six".

Divisors: 1 2 7 11 14 22 77 121 154 242 847 1694 40673560219 81347120438 284714921533 447409162409 569429843066 894818324818 3131864136863 4921500786499 6263728273726 9843001572998 34450505505493 68901011010986