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13121300402 = 27191272331667
BaseRepresentation
bin11000011100001011…
…10010011110110010
31020212110001010022222
430032011302132302
5203333023103102
610010003001042
7643105133060
oct141605623662
936773033288
1013121300402
1156236a5221
122662369182
1313115627a2
148c6903030
1551be12aa2
hex30e1727b2

13121300402 has 64 divisors (see below), whose sum is σ = 23980769280. Its totient is φ = 5259655296.

The previous prime is 13121300389. The next prime is 13121300453. The reversal of 13121300402 is 20400312131.

13121300402 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 31 ways as a sum of consecutive naturals, for example, 7870373 + ... + 7872039.

It is an arithmetic number, because the mean of its divisors is an integer number (374699520).

Almost surely, 213121300402 is an apocalyptic number.

13121300402 is a deficient number, since it is larger than the sum of its proper divisors (10859468878).

13121300402 is a wasteful number, since it uses less digits than its factorization.

13121300402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13121300402 its reverse (20400312131), we get a palindrome (33521612533).

The spelling of 13121300402 in words is "thirteen billion, one hundred twenty-one million, three hundred thousand, four hundred two".

Divisors: 1 2 7 14 19 38 127 133 233 254 266 466 889 1631 1667 1778 2413 3262 3334 4427 4826 8854 11669 16891 23338 29591 30989 31673 33782 59182 61978 63346 207137 211709 221711 388411 414274 423418 443422 562229 776822 1124458 1481963 2718877 2963926 3935603 4022471 5437754 7379809 7871206 8044942 14759618 28157297 49328197 51658663 56314594 98656394 103317326 345297379 690594758 937235743 1874471486 6560650201 13121300402