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132131185 = 5611313307
BaseRepresentation
bin1111110000000…
…10100101110001
3100012121221220121
413320002211301
5232311144220
621040010241
73163045054
oct770024561
9305557817
10132131185
116864812a
1238300981
13214b3844
1413796a9b
15b8eeeaa
hex7e02971

132131185 has 16 divisors (see below), whose sum is σ = 162436032. Its totient is φ = 103147200.

The previous prime is 132131183. The next prime is 132131189. The reversal of 132131185 is 581131231.

It is not a de Polignac number, because 132131185 - 21 = 132131183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132131183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38302 + ... + 41608.

It is an arithmetic number, because the mean of its divisors is an integer number (10152252).

Almost surely, 2132131185 is an apocalyptic number.

It is an amenable number.

132131185 is a deficient number, since it is larger than the sum of its proper divisors (30304847).

132131185 is a wasteful number, since it uses less digits than its factorization.

132131185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504.

The product of its digits is 720, while the sum is 25.

The square root of 132131185 is about 11494.8329696434. The cubic root of 132131185 is about 509.3329546637.

The spelling of 132131185 in words is "one hundred thirty-two million, one hundred thirty-one thousand, one hundred eighty-five".

Divisors: 1 5 61 131 305 655 3307 7991 16535 39955 201727 433217 1008635 2166085 26426237 132131185