Search a number
-
+
13125716740 = 225679795311
BaseRepresentation
bin11000011100101101…
…01000101100000100
31020212202100111102001
430032112220230010
5203340140413430
610010241355044
7643160515513
oct141626505404
936782314361
1013125716740
115626141294
122663938a84
13131244a9c6
148c733267a
1551c4d63ca
hex30e5a8b04

13125716740 has 24 divisors (see below), whose sum is σ = 27975411072. Its totient is φ = 5171923680.

The previous prime is 13125716719. The next prime is 13125716759. The reversal of 13125716740 is 4761752131.

It is a self number, because there is not a number n which added to its sum of digits gives 13125716740.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4896316 + ... + 4898995.

It is an arithmetic number, because the mean of its divisors is an integer number (1165642128).

Almost surely, 213125716740 is an apocalyptic number.

13125716740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13125716740 is an abundant number, since it is smaller than the sum of its proper divisors (14849694332).

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

13125716740 is a wasteful number, since it uses less digits than its factorization.

13125716740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9795387 (or 9795385 counting only the distinct ones).

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

The spelling of 13125716740 in words is "thirteen billion, one hundred twenty-five million, seven hundred sixteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 9795311 19590622 39181244 48976555 97953110 195906220 656285837 1312571674 2625143348 3281429185 6562858370 13125716740