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13012162355 = 5171579191061
BaseRepresentation
bin11000001111001010…
…11101011100110011
31020120211200100002002
430013211131130303
5203122103143410
65551103444215
7640311361253
oct140745353463
936524610062
1013012162355
115578032195
1226318b666b
1312c4a6c86a
148b6213963
155125557a5
hex30795d733

13012162355 has 32 divisors (see below), whose sum is σ = 16672210560. Its totient is φ = 9715230720.

The previous prime is 13012162309. The next prime is 13012162367. The reversal of 13012162355 is 55326121031.

It is not a de Polignac number, because 13012162355 - 28 = 13012162099 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12263525 + ... + 12264585.

It is an arithmetic number, because the mean of its divisors is an integer number (521006580).

Almost surely, 213012162355 is an apocalyptic number.

13012162355 is a deficient number, since it is larger than the sum of its proper divisors (3660048205).

13012162355 is a wasteful number, since it uses less digits than its factorization.

13012162355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 13012162355 its reverse (55326121031), we get a palindrome (68338283386).

The spelling of 13012162355 in words is "thirteen billion, twelve million, one hundred sixty-two thousand, three hundred fifty-five".

Divisors: 1 5 17 85 157 785 919 1061 2669 4595 5305 13345 15623 18037 78115 90185 144283 166577 721415 832885 975059 2452811 2831809 4875295 12264055 14159045 16576003 82880015 153084263 765421315 2602432471 13012162355