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13312242045 = 325295827601
BaseRepresentation
bin11000110010111100…
…01011000101111101
31021100202022222000200
430121132023011331
5204230413221140
610040543314113
7650614122204
oct143136130575
937322288020
1013312242045
115711460533
1226b62ab939
131341c979cb
1490400823b
1552da7d030
hex31978b17d

13312242045 has 12 divisors (see below), whose sum is σ = 23074552956. Its totient is φ = 7099862400.

The previous prime is 13312242043. The next prime is 13312242089. The reversal of 13312242045 is 54024221331.

It can be written as a sum of positive squares in 2 ways, for example, as 8139467961 + 5172774084 = 90219^2 + 71922^2 .

It is not a de Polignac number, because 13312242045 - 21 = 13312242043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312242043) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 147913756 + ... + 147913845.

It is an arithmetic number, because the mean of its divisors is an integer number (1922879413).

Almost surely, 213312242045 is an apocalyptic number.

13312242045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13312242045 is a deficient number, since it is larger than the sum of its proper divisors (9762310911).

13312242045 is a wasteful number, since it uses less digits than its factorization.

13312242045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295827612 (or 295827609 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 13312242045 its reverse (54024221331), we get a palindrome (67336463376).

The spelling of 13312242045 in words is "thirteen billion, three hundred twelve million, two hundred forty-two thousand, forty-five".

Divisors: 1 3 5 9 15 45 295827601 887482803 1479138005 2662448409 4437414015 13312242045