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13142912 = 27102679
BaseRepresentation
bin110010001000…
…101110000000
3220201201200112
4302020232000
511331033122
61145410452
7216466346
oct62105600
926651615
1013142912
117467512
124499a28
132952293
141a61996
1512492e2
hexc88b80

13142912 has 16 divisors (see below), whose sum is σ = 26183400. Its totient is φ = 6571392.

The previous prime is 13142911. The next prime is 13142923. The reversal of 13142912 is 21924131.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×131429122 = 345472271679488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51212 + ... + 51467.

Almost surely, 213142912 is an apocalyptic number.

It is an amenable number.

13142912 is a deficient number, since it is larger than the sum of its proper divisors (13040488).

13142912 is an equidigital number, since it uses as much as digits as its factorization.

13142912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102693 (or 102681 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 13142912 is about 3625.3154345519. The cubic root of 13142912 is about 235.9919560602.

The spelling of 13142912 in words is "thirteen million, one hundred forty-two thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 102679 205358 410716 821432 1642864 3285728 6571456 13142912