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13109690 = 2511119179
BaseRepresentation
bin110010000000…
…100110111010
3220200001010002
4302000212322
511324002230
61144553002
7216300446
oct62004672
926601102
1013109690
117444560
124482762
132940119
141a53826
15123e545
hexc809ba

13109690 has 16 divisors (see below), whose sum is σ = 25742880. Its totient is φ = 4767120.

The previous prime is 13109687. The next prime is 13109713. The reversal of 13109690 is 9690131.

It is a super-2 number, since 2×131096902 = 343727943792200, which contains 22 as substring.

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, 59480 + ... + 59699.

It is an arithmetic number, because the mean of its divisors is an integer number (1608930).

Almost surely, 213109690 is an apocalyptic number.

13109690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13109690 is a deficient number, since it is larger than the sum of its proper divisors (12633190).

13109690 is a wasteful number, since it uses less digits than its factorization.

13109690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119197.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 13109690 is about 3620.7305892596. The cubic root of 13109690 is about 235.7929453687.

The spelling of 13109690 in words is "thirteen million, one hundred nine thousand, six hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 119179 238358 595895 1191790 1310969 2621938 6554845 13109690