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13115132652 = 2236831600187
BaseRepresentation
bin11000011011011100…
…10000101011101100
31020212000102202202210
430031232100223230
5203324433221102
610005222450420
7643001534226
oct141556205354
936760382683
1013115132652
115620172306
122660293a10
1313101b332b
148c5b79416
1551b5e536c
hex30db90aec

13115132652 has 24 divisors (see below), whose sum is σ = 30646800576. Its totient is φ = 4365307408.

The previous prime is 13115132627. The next prime is 13115132671. The reversal of 13115132652 is 25623151131.

13115132652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 791898 + ... + 808289.

It is an arithmetic number, because the mean of its divisors is an integer number (1276950024).

Almost surely, 213115132652 is an apocalyptic number.

13115132652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13115132652 is an abundant number, since it is smaller than the sum of its proper divisors (17531667924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13115132652 is a wasteful number, since it uses less digits than its factorization.

13115132652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600877 (or 1600875 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

Adding to 13115132652 its reverse (25623151131), we get a palindrome (38738283783).

The spelling of 13115132652 in words is "thirteen billion, one hundred fifteen million, one hundred thirty-two thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 683 1366 2049 2732 4098 8196 1600187 3200374 4800561 6400748 9601122 19202244 1092927721 2185855442 3278783163 4371710884 6557566326 13115132652