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53108520136 = 237948366431
BaseRepresentation
bin110001011101100000…
…111011010011001000
312002002020001100121021
4301131200323103020
51332231240121021
640221523522224
73560035654450
oct613540732310
9162066040537
1053108520136
1120583414261
12a361b29374
135014a8bb59
1427db504d60
1515ac722c41
hexc5d83b4c8

53108520136 has 16 divisors (see below), whose sum is σ = 113803971840. Its totient is φ = 22760794320.

The previous prime is 53108520107. The next prime is 53108520193. The reversal of 53108520136 is 63102580135.

It is a super-2 number, since 2×531085201362 (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 474183160 + ... + 474183271.

It is an arithmetic number, because the mean of its divisors is an integer number (7112748240).

Almost surely, 253108520136 is an apocalyptic number.

53108520136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53108520136 is an abundant number, since it is smaller than the sum of its proper divisors (60695451704).

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

53108520136 is a wasteful number, since it uses less digits than its factorization.

53108520136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948366444 (or 948366440 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 53108520136 in words is "fifty-three billion, one hundred eight million, five hundred twenty thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 948366431 1896732862 3793465724 6638565017 7586931448 13277130034 26554260068 53108520136