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13231103012 = 227014718653
BaseRepresentation
bin11000101001010001…
…01001110000100100
31021011002122200012022
430110220221300210
5204044130244022
610024524242312
7645610343231
oct142450516044
937132580168
1013231103012
11567a681586
1226930a0398
13132b22904a
148d7326788
155268a1c42
hex314a29c24

13231103012 has 12 divisors (see below), whose sum is σ = 23187465756. Its totient is φ = 6606112800.

The previous prime is 13231103003. The next prime is 13231103021. The reversal of 13231103012 is 21030113231.

It is an interprime number because it is at equal distance from previous prime (13231103003) and next prime (13231103021).

It can be written as a sum of positive squares in 2 ways, for example, as 9153514276 + 4077588736 = 95674^2 + 63856^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2356523 + ... + 2362130.

It is an arithmetic number, because the mean of its divisors is an integer number (1932288813).

Almost surely, 213231103012 is an apocalyptic number.

It is an amenable number.

13231103012 is a deficient number, since it is larger than the sum of its proper divisors (9956362744).

13231103012 is a wasteful number, since it uses less digits than its factorization.

13231103012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719358 (or 4719356 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13231103012 its reverse (21030113231), we get a palindrome (34261216243).

The spelling of 13231103012 in words is "thirteen billion, two hundred thirty-one million, one hundred three thousand, twelve".

Divisors: 1 2 4 701 1402 2804 4718653 9437306 18874612 3307775753 6615551506 13231103012