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13311132112 = 242008941413
BaseRepresentation
bin11000110010110011…
…11100000111010000
31021100200020120111001
430121121330013100
5204230122211422
610040503431344
7650601520225
oct143131740720
937320216431
1013311132112
115710872633
1226b5a55554
131341999745
14903bd994c
1552d90e227
hex31967c1d0

13311132112 has 20 divisors (see below), whose sum is σ = 25792225060. Its totient is φ = 6655074048.

The previous prime is 13311132083. The next prime is 13311132139. The reversal of 13311132112 is 21123111331.

It can be written as a sum of positive squares in 2 ways, for example, as 6025485376 + 7285646736 = 77624^2 + 85356^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13311132112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300718 + ... + 342130.

It is an arithmetic number, because the mean of its divisors is an integer number (1289611253).

Almost surely, 213311132112 is an apocalyptic number.

It is an amenable number.

13311132112 is a deficient number, since it is larger than the sum of its proper divisors (12481092948).

13311132112 is a wasteful number, since it uses less digits than its factorization.

13311132112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61510 (or 61504 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

Adding to 13311132112 its reverse (21123111331), we get a palindrome (34434243443).

The spelling of 13311132112 in words is "thirteen billion, three hundred eleven million, one hundred thirty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 20089 40178 41413 80356 82826 160712 165652 321424 331304 662608 831945757 1663891514 3327783028 6655566056 13311132112