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131329066 = 21123924977
BaseRepresentation
bin1111101001111…
…10110000101010
3100011010012121111
413310332300222
5232110012231
621010500534
73153164401
oct764766052
9304105544
10131329066
116814a520
1237b9474a
132129270b
1413628638
15b7e24b1
hex7d3ec2a

131329066 has 16 divisors (see below), whose sum is σ = 215809920. Its totient is φ = 59442880.

The previous prime is 131329043. The next prime is 131329073. The reversal of 131329066 is 660923131.

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, 7231 + ... + 17746.

It is an arithmetic number, because the mean of its divisors is an integer number (13488120).

Almost surely, 2131329066 is an apocalyptic number.

131329066 is a deficient number, since it is larger than the sum of its proper divisors (84480854).

131329066 is a wasteful number, since it uses less digits than its factorization.

131329066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25229.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 131329066 is about 11459.8894410025. The cubic root of 131329066 is about 508.3002054078.

The spelling of 131329066 in words is "one hundred thirty-one million, three hundred twenty-nine thousand, sixty-six".

Divisors: 1 2 11 22 239 478 2629 5258 24977 49954 274747 549494 5969503 11939006 65664533 131329066