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13349448866 = 2131730202373
BaseRepresentation
bin11000110111011000…
…00110110010100010
31021110100100021012002
430123230012302202
5204314424330431
610044353004002
7651545304665
oct143354066242
937410307162
1013349448866
115730463576
122706853602
1313498c4090
14908d316dc
15531e7c3cb
hex31bb06ca2

13349448866 has 16 divisors (see below), whose sum is σ = 22832994744. Its totient is φ = 5798855424.

The previous prime is 13349448859. The next prime is 13349448911. The reversal of 13349448866 is 66884494331.

It can be written as a sum of positive squares in 4 ways, for example, as 9002024641 + 4347424225 = 94879^2 + 65935^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15100745 + ... + 15101628.

Almost surely, 213349448866 is an apocalyptic number.

13349448866 is a deficient number, since it is larger than the sum of its proper divisors (9483545878).

13349448866 is a wasteful number, since it uses less digits than its factorization.

13349448866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30202405.

The product of its digits is 11943936, while the sum is 56.

The spelling of 13349448866 in words is "thirteen billion, three hundred forty-nine million, four hundred forty-eight thousand, eight hundred sixty-six".

Divisors: 1 2 13 17 26 34 221 442 30202373 60404746 392630849 513440341 785261698 1026880682 6674724433 13349448866