Search a number
-
+
13157703140 = 225657885157
BaseRepresentation
bin11000100000100001…
…01001110111100100
31020221222112120111112
430100100221313210
5203421333000030
610013343124152
7644026426361
oct142020516744
936858476445
1013157703140
1156421a912a
1226725a3658
131318c69b7a
148cb69b468
15520203a95
hex310429de4

13157703140 has 12 divisors (see below), whose sum is σ = 27631176636. Its totient is φ = 5263081248.

The previous prime is 13157703107. The next prime is 13157703179. The reversal of 13157703140 is 4130775131.

It can be written as a sum of positive squares in 2 ways, for example, as 1917038656 + 11240664484 = 43784^2 + 106022^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13157703097 and 13157703106.

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, 328942559 + ... + 328942598.

It is an arithmetic number, because the mean of its divisors is an integer number (2302598053).

Almost surely, 213157703140 is an apocalyptic number.

13157703140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13157703140 is an abundant number, since it is smaller than the sum of its proper divisors (14473473496).

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

13157703140 is a wasteful number, since it uses less digits than its factorization.

13157703140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657885166 (or 657885164 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The spelling of 13157703140 in words is "thirteen billion, one hundred fifty-seven million, seven hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 657885157 1315770314 2631540628 3289425785 6578851570 13157703140