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64714235905 = 5119689121439
BaseRepresentation
bin111100010001010001…
…001110000000000001
320012001001020210200001
4330101101032000001
52030013321022110
645421310400001
74450451633464
oct742121160001
9205031223601
1064714235905
11254995542a0
1210660800001
1361443338a7
1431bca092db
151a3b55d63a
hexf1144e001

64714235905 has 16 divisors (see below), whose sum is σ = 84726259200. Its totient is φ = 47059653760.

The previous prime is 64714235863. The next prime is 64714235953. The reversal of 64714235905 is 50953241746.

It is a happy number.

It is not a de Polignac number, because 64714235905 - 215 = 64714203137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472176 + ... + 593614.

It is an arithmetic number, because the mean of its divisors is an integer number (5295391200).

Almost surely, 264714235905 is an apocalyptic number.

It is an amenable number.

64714235905 is a deficient number, since it is larger than the sum of its proper divisors (20012023295).

64714235905 is a wasteful number, since it uses less digits than its factorization.

64714235905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131144.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 64714235905 in words is "sixty-four billion, seven hundred fourteen million, two hundred thirty-five thousand, nine hundred five".

Divisors: 1 5 11 55 9689 48445 106579 121439 532895 607195 1335829 6679145 1176622471 5883112355 12942847181 64714235905