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13120984799 = 131009306523
BaseRepresentation
bin11000011100001001…
…00101011011011111
31020212102110002101222
430032010211123133
5203332433003144
610005552123555
7643102346666
oct141604453337
936772402358
1013120984799
1156234aa09a
1226622365bb
131311481c40
148c685dddd
1551bd9e2ee
hex30e1256df

13120984799 has 4 divisors (see below), whose sum is σ = 14130291336. Its totient is φ = 12111678264.

The previous prime is 13120984787. The next prime is 13120984817. The reversal of 13120984799 is 99748902131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13120984799 - 28 = 13120984543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13120984799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120984729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504653249 + ... + 504653274.

It is an arithmetic number, because the mean of its divisors is an integer number (3532572834).

Almost surely, 213120984799 is an apocalyptic number.

13120984799 is a deficient number, since it is larger than the sum of its proper divisors (1009306537).

13120984799 is a wasteful number, since it uses less digits than its factorization.

13120984799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009306536.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 13120984799 in words is "thirteen billion, one hundred twenty million, nine hundred eighty-four thousand, seven hundred ninety-nine".

Divisors: 1 13 1009306523 13120984799