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55306042902 = 23211279323449
BaseRepresentation
bin110011100000011111…
…110011111000010110
312021202101002002010100
4303200133303320112
51401231321333102
641223544234530
73665351415405
oct634037637026
9167671062110
1055306042902
1121500901680
12a875a6ba46
1352a5133a96
1429692d963c
15168a600a1c
hexce07f3e16

55306042902 has 24 divisors (see below), whose sum is σ = 130723374600. Its totient is φ = 16759406880.

The previous prime is 55306042877. The next prime is 55306042943. The reversal of 55306042902 is 20924060355.

55306042902 is a `hidden beast` number, since 553 + 0 + 60 + 42 + 9 + 0 + 2 = 666.

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, 139661527 + ... + 139661922.

It is an arithmetic number, because the mean of its divisors is an integer number (5446807275).

Almost surely, 255306042902 is an apocalyptic number.

55306042902 is an abundant number, since it is smaller than the sum of its proper divisors (75417331698).

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

55306042902 is a wasteful number, since it uses less digits than its factorization.

55306042902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279323468 (or 279323465 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 55306042902 in words is "fifty-five billion, three hundred six million, forty-two thousand, nine hundred two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 279323449 558646898 837970347 1675940694 2513911041 3072557939 5027822082 6145115878 9217673817 18435347634 27653021451 55306042902