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13213131022 = 2713446316267
BaseRepresentation
bin11000100111001000…
…00110000100001110
31021002211211121021001
430103210012010032
5204030030143042
610023043130514
7645301521610
oct142344060416
937084747231
1013213131022
1156705169a3
122689073a3a
1313275a5a30
148d4ba8db0
15525001bb7
hex31390610e

13213131022 has 32 divisors (see below), whose sum is σ = 24400438272. Its totient is φ = 5225680224.

The previous prime is 13213130989. The next prime is 13213131059. The reversal of 13213131022 is 22013131231.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 804133 + ... + 820399.

It is an arithmetic number, because the mean of its divisors is an integer number (762513696).

Almost surely, 213213131022 is an apocalyptic number.

13213131022 is a deficient number, since it is larger than the sum of its proper divisors (11187307250).

13213131022 is a wasteful number, since it uses less digits than its factorization.

13213131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20752.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13213131022 its reverse (22013131231), we get a palindrome (35226262253).

The spelling of 13213131022 in words is "thirteen billion, two hundred thirteen million, one hundred thirty-one thousand, twenty-two".

Divisors: 1 2 7 13 14 26 91 182 4463 8926 16267 31241 32534 58019 62482 113869 116038 211471 227738 406133 422942 812266 1480297 2960594 72599621 145199242 508197347 943795073 1016394694 1887590146 6606565511 13213131022