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45057673854 = 23223108834961
BaseRepresentation
bin101001111101101001…
…011000101001111110
311022022010221222201100
4221331221120221332
51214234231030404
632411010153530
73153366623424
oct517551305176
9138263858640
1045057673854
1118121978296
1288958828a6
134330b5539b
1422761a3114
15128aa31d39
hexa7da58a7e

45057673854 has 24 divisors (see below), whose sum is σ = 101869524432. Its totient is φ = 14366214720.

The previous prime is 45057673813. The next prime is 45057673891. The reversal of 45057673854 is 45837675054.

45057673854 is a `hidden beast` number, since 450 + 5 + 76 + 73 + 8 + 54 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 45057673854.

It is a congruent number.

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, 54417067 + ... + 54417894.

It is an arithmetic number, because the mean of its divisors is an integer number (4244563518).

Almost surely, 245057673854 is an apocalyptic number.

45057673854 is an abundant number, since it is smaller than the sum of its proper divisors (56811850578).

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

45057673854 is a wasteful number, since it uses less digits than its factorization.

45057673854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108834992 (or 108834989 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 54.

The spelling of 45057673854 in words is "forty-five billion, fifty-seven million, six hundred seventy-three thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 108834961 217669922 326504883 653009766 979514649 1959029298 2503204103 5006408206 7509612309 15019224618 22528836927 45057673854