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64057236793 = 1138315204661
BaseRepresentation
bin111011101010000110…
…111101110100111001
320010100020222210022121
4323222012331310321
52022142123034133
645232200521241
74425253346254
oct735206756471
9203306883277
1064057236793
1125191705120
12104b8780221
13606b19bc14
14315966609b
1519eda3202d
hexeea1bdd39

64057236793 has 8 divisors (see below), whose sum is σ = 70063082496. Its totient is φ = 58081801200.

The previous prime is 64057236781. The next prime is 64057236799. The reversal of 64057236793 is 39763275046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64057236793 - 29 = 64057236281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64057236793.

It is not an unprimeable number, because it can be changed into a prime (64057236799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7598118 + ... + 7606543.

It is an arithmetic number, because the mean of its divisors is an integer number (8757885312).

Almost surely, 264057236793 is an apocalyptic number.

It is an amenable number.

64057236793 is a deficient number, since it is larger than the sum of its proper divisors (6005845703).

64057236793 is a wasteful number, since it uses less digits than its factorization.

64057236793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15205055.

The product of its (nonzero) digits is 5715360, while the sum is 52.

The spelling of 64057236793 in words is "sixty-four billion, fifty-seven million, two hundred thirty-six thousand, seven hundred ninety-three".

Divisors: 1 11 383 4213 15204661 167251271 5823385163 64057236793