Search a number
-
+
71313708457 = 5359149153059
BaseRepresentation
bin100001001101010100…
…0001101010110101001
320211001222022202002101
41002122220031112221
52132022302132312
652432220133401
75103135343315
oct1023250152651
9224058282071
1071313708457
1128275802742
12119a2997261
136956672134
1436472a4b45
151cc5b0ca57
hex109aa0d5a9

71313708457 has 16 divisors (see below), whose sum is σ = 74387160000. Its totient is φ = 68320193344.

The previous prime is 71313708419. The next prime is 71313708467. The reversal of 71313708457 is 75480731317.

It is a cyclic number.

It is not a de Polignac number, because 71313708457 - 215 = 71313675689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71313708467) 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, 389394 + ... + 542452.

It is an arithmetic number, because the mean of its divisors is an integer number (4649197500).

Almost surely, 271313708457 is an apocalyptic number.

It is an amenable number.

71313708457 is a deficient number, since it is larger than the sum of its proper divisors (3073451543).

71313708457 is a wasteful number, since it uses less digits than its factorization.

71313708457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153320.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 71313708457 in words is "seventy-one billion, three hundred thirteen million, seven hundred eight thousand, four hundred fifty-seven".

Divisors: 1 53 59 149 3127 7897 8791 153059 465923 8112127 9030481 22805791 478615493 1208706923 1345541669 71313708457