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132500081 = 713121103
BaseRepresentation
bin1111110010111…
…00101001110001
3100020022200221102
413321130221301
5232410000311
621051534145
73166142420
oct771345161
9306280842
10132500081
116887a2aa
123845a355
13215b271c
14138512b7
15b97443b
hex7e5ca71

132500081 has 12 divisors (see below), whose sum is σ = 152731776. Its totient is φ = 112602360.

The previous prime is 132500051. The next prime is 132500111. The reversal of 132500081 is 180005231.

It is an interprime number because it is at equal distance from previous prime (132500051) and next prime (132500111).

It is a de Polignac number, because none of the positive numbers 2k-132500081 is a prime.

It is a super-2 number, since 2×1325000812 = 35112542930013122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132500021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119576 + ... + 120678.

It is an arithmetic number, because the mean of its divisors is an integer number (12727648).

Almost surely, 2132500081 is an apocalyptic number.

It is an amenable number.

132500081 is a deficient number, since it is larger than the sum of its proper divisors (20231695).

132500081 is an equidigital number, since it uses as much as digits as its factorization.

132500081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 132500081 is about 11510.8679516360. The cubic root of 132500081 is about 509.8065150962.

The spelling of 132500081 in words is "one hundred thirty-two million, five hundred thousand, eighty-one".

Divisors: 1 7 131 917 1103 7721 17161 120127 144493 1011451 18928583 132500081