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64745057094 = 2341263191289
BaseRepresentation
bin111100010011000110…
…110010101101000110
320012010012020200101120
4330103012302231012
52030044213311334
645424331134410
74451304622254
oct742306625506
9205105220346
1064745057094
1125504995753
121066aba4406
13614a835593
1431c2b4d5d4
151a3e0ea949
hexf131b2b46

64745057094 has 16 divisors (see below), whose sum is σ = 132648410160. Its totient is φ = 21055303040.

The previous prime is 64745057071. The next prime is 64745057101. The reversal of 64745057094 is 49075054746.

It is a happy number.

64745057094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131595399 + ... + 131595890.

It is an arithmetic number, because the mean of its divisors is an integer number (8290525635).

Almost surely, 264745057094 is an apocalyptic number.

64745057094 is an abundant number, since it is smaller than the sum of its proper divisors (67903353066).

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

64745057094 is a wasteful number, since it uses less digits than its factorization.

64745057094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263191335.

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 64745057094 in words is "sixty-four billion, seven hundred forty-five million, fifty-seven thousand, ninety-four".

Divisors: 1 2 3 6 41 82 123 246 263191289 526382578 789573867 1579147734 10790842849 21581685698 32372528547 64745057094