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54906917568 = 263285973529
BaseRepresentation
bin110011001000101101…
…010001001011000000
312020201120001102002120
4303020231101023000
51344422132330233
641120205444240
73652434045606
oct631055211300
9166646042076
1054906917568
1121316583928
12a784270680
13524053a649
14292c2c1876
1516655614b3
hexcc8b512c0

54906917568 has 28 divisors (see below), whose sum is σ = 145274553240. Its totient is φ = 18302305792.

The previous prime is 54906917561. The next prime is 54906917579. The reversal of 54906917568 is 86571960945.

It is not an unprimeable number, because it can be changed into a prime (54906917561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142986573 + ... + 142986956.

Almost surely, 254906917568 is an apocalyptic number.

It is an amenable number.

54906917568 is an abundant number, since it is smaller than the sum of its proper divisors (90367635672).

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

54906917568 is a wasteful number, since it uses less digits than its factorization.

54906917568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285973544 (or 285973534 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 60.

The spelling of 54906917568 in words is "fifty-four billion, nine hundred six million, nine hundred seventeen thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 285973529 571947058 857920587 1143894116 1715841174 2287788232 3431682348 4575576464 6863364696 9151152928 13726729392 18302305856 27453458784 54906917568