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64724142701 = 3113163158617
BaseRepresentation
bin111100010001110111…
…000000101001101101
320012001201220010020102
4330101313000221231
52030023340031301
645422303000445
74450632064331
oct742167005155
9205051803212
1064724142701
11254a4100429
1210663b99125
1361463c1bba
1431c00677c1
151a3c368b6b
hexf11dc0a6d

64724142701 has 8 divisors (see below), whose sum is σ = 66817515264. Its totient is φ = 62631113760.

The previous prime is 64724142689. The next prime is 64724142737. The reversal of 64724142701 is 10724142746.

It is a happy number.

64724142701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 64724142701 - 214 = 64724126317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64724142761) 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, 328745 + ... + 487361.

It is an arithmetic number, because the mean of its divisors is an integer number (8352189408).

Almost surely, 264724142701 is an apocalyptic number.

It is an amenable number.

64724142701 is a deficient number, since it is larger than the sum of its proper divisors (2093372563).

64724142701 is a wasteful number, since it uses less digits than its factorization.

64724142701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171811.

The product of its (nonzero) digits is 75264, while the sum is 38.

The spelling of 64724142701 in words is "sixty-four billion, seven hundred twenty-four million, one hundred forty-two thousand, seven hundred one".

Divisors: 1 31 13163 158617 408053 4917127 2087875571 64724142701