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57657377074 = 2113943664669
BaseRepresentation
bin110101101100101001…
…011100000100110010
312111211020112020020011
4311230221130010302
51421040242031244
642253141405134
74110542422153
oct655451340462
9174736466204
1057657377074
11224a80a4860
12b2114097aa
13558b31068b
142b0d6cb92a
151776c62434
hexd6ca5c132

57657377074 has 16 divisors (see below), whose sum is σ = 94372505280. Its totient is φ = 26201212560.

The previous prime is 57657377051. The next prime is 57657377111. The reversal of 57657377074 is 47077375675.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 245589 + ... + 419080.

It is an arithmetic number, because the mean of its divisors is an integer number (5898281580).

Almost surely, 257657377074 is an apocalyptic number.

57657377074 is a deficient number, since it is larger than the sum of its proper divisors (36715128206).

57657377074 is a wasteful number, since it uses less digits than its factorization.

57657377074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668625.

The product of its (nonzero) digits is 30252600, while the sum is 58.

The spelling of 57657377074 in words is "fifty-seven billion, six hundred fifty-seven million, three hundred seventy-seven thousand, seventy-four".

Divisors: 1 2 11 22 3943 7886 43373 86746 664669 1329338 7311359 14622718 2620789867 5241579734 28828688537 57657377074