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108909530892 = 22323025264747
BaseRepresentation
bin110010101101110000…
…0111000111100001100
3101102010002111101222100
41211123200320330030
53241021314442032
6122010553115100
710603610511141
oct1453340707414
9342102441870
10108909530892
1142208655578
12191356b8a90
13a368605406
1453b24463c8
152c764e597c
hex195b838f0c

108909530892 has 18 divisors (see below), whose sum is σ = 275299092068. Its totient is φ = 36303176952.

The previous prime is 108909530837. The next prime is 108909530911. The reversal of 108909530892 is 298035909801.

108909530892 is a `hidden beast` number, since 10 + 8 + 9 + 0 + 9 + 530 + 8 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1089095308922 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1512632338 + ... + 1512632409.

Almost surely, 2108909530892 is an apocalyptic number.

108909530892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

108909530892 is an abundant number, since it is smaller than the sum of its proper divisors (166389561176).

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

108909530892 is a wasteful number, since it uses less digits than its factorization.

108909530892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025264757 (or 3025264752 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 108909530892 in words is "one hundred eight billion, nine hundred nine million, five hundred thirty thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 3025264747 6050529494 9075794241 12101058988 18151588482 27227382723 36303176964 54454765446 108909530892