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13005371205 = 33596336083
BaseRepresentation
bin11000001110010111…
…00011011101000101
31020120100220022101000
430013023203131011
5203113333334310
65550302123513
7640166555061
oct140713433505
936510808330
1013005371205
115574213972
12262b580599
1312c3532728
148b5366aa1
15511b634c0
hex3072e3745

13005371205 has 16 divisors (see below), whose sum is σ = 23120660160. Its totient is φ = 6936197904.

The previous prime is 13005371201. The next prime is 13005371213. The reversal of 13005371205 is 50217350031.

13005371205 is a `hidden beast` number, since 1 + 3 + 0 + 0 + 537 + 120 + 5 = 666.

13005371205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13005371205 - 22 = 13005371201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13005371201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48167907 + ... + 48168176.

It is an arithmetic number, because the mean of its divisors is an integer number (1445041260).

Almost surely, 213005371205 is an apocalyptic number.

13005371205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13005371205 is a deficient number, since it is larger than the sum of its proper divisors (10115288955).

13005371205 is an equidigital number, since it uses as much as digits as its factorization.

13005371205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96336097 (or 96336091 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The spelling of 13005371205 in words is "thirteen billion, five million, three hundred seventy-one thousand, two hundred five".

Divisors: 1 3 5 9 15 27 45 135 96336083 289008249 481680415 867024747 1445041245 2601074241 4335123735 13005371205