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168896800808 = 2321112100101
BaseRepresentation
bin1001110101001100001…
…0001010100000101000
3121010221201010110022222
42131103002022200220
510231400040111213
6205331244333212
715126264055661
oct2352302124050
9533851113288
10168896800808
11656a09282aa
1228897244208
1312c085261b8
148263344368
1545d7a81808
hex275308a828

168896800808 has 8 divisors (see below), whose sum is σ = 316681501530. Its totient is φ = 84448400400.

The previous prime is 168896800801. The next prime is 168896800859. The reversal of 168896800808 is 808008698861.

It can be written as a sum of positive squares in only one way, i.e., 102104533444 + 66792267364 = 319538^2 + 258442^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1688968008082 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168896800801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556050043 + ... + 10556050058.

Almost surely, 2168896800808 is an apocalyptic number.

It is an amenable number.

168896800808 is a deficient number, since it is larger than the sum of its proper divisors (147784700722).

168896800808 is a wasteful number, since it uses less digits than its factorization.

168896800808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21112100107 (or 21112100103 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 62.

The spelling of 168896800808 in words is "one hundred sixty-eight billion, eight hundred ninety-six million, eight hundred thousand, eight hundred eight".

Divisors: 1 2 4 8 21112100101 42224200202 84448400404 168896800808