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12095031 = 313310129
BaseRepresentation
bin101110001000…
…111000110111
3211202111021010
4232020320313
511044020111
61111123303
7204543324
oct56107067
924674233
1012095031
1169111a3
124073533
132676330
14186bb4b
1510ddaa6
hexb88e37

12095031 has 8 divisors (see below), whose sum is σ = 17367280. Its totient is φ = 7443072.

The previous prime is 12095003. The next prime is 12095081. The reversal of 12095031 is 13059021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12095031 - 27 = 12094903 is a prime.

It is a super-2 number, since 2×120950312 = 292579549781922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12094989 and 12095007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12095081) 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 7 ways as a sum of consecutive naturals, for example, 155026 + ... + 155103.

It is an arithmetic number, because the mean of its divisors is an integer number (2170910).

Almost surely, 212095031 is an apocalyptic number.

12095031 is a deficient number, since it is larger than the sum of its proper divisors (5272249).

12095031 is a wasteful number, since it uses less digits than its factorization.

12095031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310145.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 12095031 is about 3477.7911093106. The cubic root of 12095031 is about 229.5456120391.

The spelling of 12095031 in words is "twelve million, ninety-five thousand, thirty-one".

Divisors: 1 3 13 39 310129 930387 4031677 12095031