Search a number
-
+
71310725164 = 2272546811613
BaseRepresentation
bin100001001101001110…
…0110101000000101100
320211001202201011210001
41002122130311000230
52132021021201124
652432032154044
75103101106550
oct1023234650054
9224052634701
1071310725164
1128274055308
12119a1998924
136955b69283
143646b29860
151cc571db44
hex109a73502c

71310725164 has 12 divisors (see below), whose sum is σ = 142621450384. Its totient is φ = 30561739344.

The previous prime is 71310725149. The next prime is 71310725191. The reversal of 71310725164 is 46152701317.

71310725164 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1273405779 + ... + 1273405834.

Almost surely, 271310725164 is an apocalyptic number.

It is an amenable number.

71310725164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71310725164 is a wasteful number, since it uses less digits than its factorization.

71310725164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546811624 (or 2546811622 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 71310725164 in words is "seventy-one billion, three hundred ten million, seven hundred twenty-five thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 2546811613 5093623226 10187246452 17827681291 35655362582 71310725164