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13105195 = 57013739
BaseRepresentation
bin110001111111…
…100000101011
3220122210221121
4301333200223
511323331240
61144520111
7216251365
oct61774053
926583847
1013105195
117441144
124480037
13293b06c
141a51d35
15123d04a
hexc7f82b

13105195 has 8 divisors (see below), whose sum is σ = 15752880. Its totient is φ = 10466400.

The previous prime is 13105189. The next prime is 13105207. The reversal of 13105195 is 59150131.

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

It is not a de Polignac number, because 13105195 - 25 = 13105163 is a prime.

It is a super-2 number, since 2×131051952 = 343492271976050, 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, 1636 + ... + 5374.

It is an arithmetic number, because the mean of its divisors is an integer number (1969110).

Almost surely, 213105195 is an apocalyptic number.

13105195 is a deficient number, since it is larger than the sum of its proper divisors (2647685).

13105195 is an equidigital number, since it uses as much as digits as its factorization.

13105195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445.

The product of its (nonzero) digits is 675, while the sum is 25.

The square root of 13105195 is about 3620.1098049645. The cubic root of 13105195 is about 235.7659930292.

The spelling of 13105195 in words is "thirteen million, one hundred five thousand, one hundred ninety-five".

Divisors: 1 5 701 3505 3739 18695 2621039 13105195