Search a number
-
+
131121096 = 2337176949
BaseRepresentation
bin1111101000010…
…11111111001000
3100010201122022220
413310023333020
5232031333341
621002214040
73151340151
oct764137710
9303648286
10131121096
1168018247
1237ab4320
132121bb62
14135b2928
15b7a0a66
hex7d0bfc8

131121096 has 32 divisors (see below), whose sum is σ = 332424000. Its totient is φ = 43090880.

The previous prime is 131121031. The next prime is 131121113. The reversal of 131121096 is 690121131.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 36771 + ... + 40178.

It is an arithmetic number, because the mean of its divisors is an integer number (10388250).

Almost surely, 2131121096 is an apocalyptic number.

It is an amenable number.

131121096 is an abundant number, since it is smaller than the sum of its proper divisors (201302904).

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

131121096 is a wasteful number, since it uses less digits than its factorization.

131121096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77029 (or 77025 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 131121096 is about 11450.8120236078. The cubic root of 131121096 is about 508.0317524121.

The spelling of 131121096 in words is "one hundred thirty-one million, one hundred twenty-one thousand, ninety-six".

Divisors: 1 2 3 4 6 8 12 24 71 142 213 284 426 568 852 1704 76949 153898 230847 307796 461694 615592 923388 1846776 5463379 10926758 16390137 21853516 32780274 43707032 65560548 131121096