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64765954253713 = 241641483186783
BaseRepresentation
bin11101011100111011111111…
…01100100110001110010001
322111022120020201010211221211
432232131333230212032101
531442111133242104323
6345425022454220121
716433120502611206
oct1656357754461621
9274276221124854
1064765954253713
11197000a5805369
1273200ab054641
132a1a53201088b
1411dc990531cad
15774a9ee6670d
hex3ae77fb26391

64765954253713 has 16 divisors (see below), whose sum is σ = 65150384504832. Its totient is φ = 64382524416000.

The previous prime is 64765954253699. The next prime is 64765954253723. The reversal of 64765954253713 is 31735245956746.

It is a cyclic number.

It is not a de Polignac number, because 64765954253713 - 221 = 64765952156561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64765954253723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 746254320 + ... + 746341102.

It is an arithmetic number, because the mean of its divisors is an integer number (4071899031552).

Almost surely, 264765954253713 is an apocalyptic number.

It is an amenable number.

64765954253713 is a deficient number, since it is larger than the sum of its proper divisors (384430251119).

64765954253713 is a wasteful number, since it uses less digits than its factorization.

64765954253713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92496.

The product of its digits is 571536000, while the sum is 67.

The spelling of 64765954253713 in words is "sixty-four trillion, seven hundred sixty-five billion, nine hundred fifty-four million, two hundred fifty-three thousand, seven hundred thirteen".

Divisors: 1 241 641 4831 86783 154481 1164271 3096671 20914703 55627903 419248673 746297711 13406324623 101038930193 268738399393 64765954253713