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168854842744 = 2374370122443
BaseRepresentation
bin1001110101000010001…
…0000110110101111000
3121010211210011202200121
42131100202012311320
510231303314431434
6205323145143024
715125244324160
oct2352042066570
9533753152617
10168854842744
116567a17a615
122888518aa74
1312bcc925343
14825b9415a0
1545d40447b4
hex2750886d78

168854842744 has 32 divisors (see below), whose sum is σ = 370246504320. Its totient is φ = 70683421536.

The previous prime is 168854842661. The next prime is 168854842771. The reversal of 168854842744 is 447248458861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35058814 + ... + 35063629.

It is an arithmetic number, because the mean of its divisors is an integer number (11570203260).

Almost surely, 2168854842744 is an apocalyptic number.

168854842744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

168854842744 is an abundant number, since it is smaller than the sum of its proper divisors (201391661576).

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

168854842744 is a wasteful number, since it uses less digits than its factorization.

168854842744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70122499 (or 70122495 counting only the distinct ones).

The product of its digits is 55050240, while the sum is 61.

The spelling of 168854842744 in words is "one hundred sixty-eight billion, eight hundred fifty-four million, eight hundred forty-two thousand, seven hundred forty-four".

Divisors: 1 2 4 7 8 14 28 43 56 86 172 301 344 602 1204 2408 70122443 140244886 280489772 490857101 560979544 981714202 1963428404 3015265049 3926856808 6030530098 12061060196 21106855343 24122120392 42213710686 84427421372 168854842744