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64757048954 = 2133796571651
BaseRepresentation
bin111100010011110100…
…100010011001111010
320012011000210221010112
4330103310202121322
52030110301031304
645425440144322
74451511556043
oct742364423172
9205130727115
1064757048954
1125510736384
12106730080a2
136150173960
1431c45918ca
151a401b8b6e
hexf13d2267a

64757048954 has 16 divisors (see below), whose sum is σ = 104883565920. Its totient is φ = 29809004400.

The previous prime is 64757048887. The next prime is 64757049029. The reversal of 64757048954 is 45984075746.

It is a junction number, because it is equal to n+sod(n) for n = 64757048893 and 64757048902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3275972 + ... + 3295679.

It is an arithmetic number, because the mean of its divisors is an integer number (6555222870).

Almost surely, 264757048954 is an apocalyptic number.

64757048954 is a deficient number, since it is larger than the sum of its proper divisors (40126516966).

64757048954 is a wasteful number, since it uses less digits than its factorization.

64757048954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6572045.

The product of its (nonzero) digits is 33868800, while the sum is 59.

The spelling of 64757048954 in words is "sixty-four billion, seven hundred fifty-seven million, forty-eight thousand, nine hundred fifty-four".

Divisors: 1 2 13 26 379 758 4927 9854 6571651 13143302 85431463 170862926 2490655729 4981311458 32378524477 64757048954