Search a number
-
+
13750125426 = 232763895857
BaseRepresentation
bin11001100111001001…
…00100001101110010
31022111021021202002200
430303210210031302
5211130013003201
610152224524030
7664512065142
oct146344441562
938437252080
1013750125426
115916650824
1227b8a80616
1313b19115bb
14946230922
15557226386
hex333924372

13750125426 has 12 divisors (see below), whose sum is σ = 29791938462. Its totient is φ = 4583375136.

The previous prime is 13750125421. The next prime is 13750125449. The reversal of 13750125426 is 62452105731.

It can be written as a sum of positive squares in only one way, i.e., 12999420225 + 750705201 = 114015^2 + 27399^2 .

It is not an unprimeable number, because it can be changed into a prime (13750125421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 381947911 + ... + 381947946.

Almost surely, 213750125426 is an apocalyptic number.

13750125426 is an abundant number, since it is smaller than the sum of its proper divisors (16041813036).

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

13750125426 is a wasteful number, since it uses less digits than its factorization.

13750125426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763895865 (or 763895862 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 13750125426 in words is "thirteen billion, seven hundred fifty million, one hundred twenty-five thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 18 763895857 1527791714 2291687571 4583375142 6875062713 13750125426