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13120363446 = 238924569969
BaseRepresentation
bin11000011100000100…
…01101101110110110
31020212101021112001220
430032002031232312
5203332303112241
610005530531210
7643064151321
oct141602155666
936771245056
1013120363446
115623115283
122661b96b06
1313112c5188
148c673b7b8
1551bcca166
hex30e08dbb6

13120363446 has 16 divisors (see below), whose sum is σ = 26535567600. Its totient is φ = 4324314368.

The previous prime is 13120363397. The next prime is 13120363457. The reversal of 13120363446 is 64436302131.

13120363446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 12284451 + ... + 12285518.

It is an arithmetic number, because the mean of its divisors is an integer number (1658472975).

Almost surely, 213120363446 is an apocalyptic number.

13120363446 is an abundant number, since it is smaller than the sum of its proper divisors (13415204154).

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

13120363446 is a wasteful number, since it uses less digits than its factorization.

13120363446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24570063.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 13120363446 its reverse (64436302131), we get a palindrome (77556665577).

The spelling of 13120363446 in words is "thirteen billion, one hundred twenty million, three hundred sixty-three thousand, four hundred forty-six".

Divisors: 1 2 3 6 89 178 267 534 24569969 49139938 73709907 147419814 2186727241 4373454482 6560181723 13120363446