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13366342745 = 572115347317
BaseRepresentation
bin11000111001011001…
…00011010001011001
31021111112010120020022
430130230203101121
5204333240431440
610050155040225
7652142016200
oct143454432131
937445116208
1013366342745
115739a52158
122710440075
13135025a762
1490b28c237
155336b7cb5
hex31cb23459

13366342745 has 24 divisors (see below), whose sum is σ = 18674900424. Its totient is φ = 9157349376.

The previous prime is 13366342741. The next prime is 13366342763. The reversal of 13366342745 is 54724366331.

It can be written as a sum of positive squares in 4 ways, for example, as 5403279049 + 7963063696 = 73507^2 + 89236^2 .

It is not a de Polignac number, because 13366342745 - 22 = 13366342741 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13366342696 and 13366342705.

It is not an unprimeable number, because it can be changed into a prime (13366342741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258827 + ... + 306143.

It is an arithmetic number, because the mean of its divisors is an integer number (778120851).

Almost surely, 213366342745 is an apocalyptic number.

It is an amenable number.

13366342745 is a deficient number, since it is larger than the sum of its proper divisors (5308557679).

13366342745 is a wasteful number, since it uses less digits than its factorization.

13366342745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48489 (or 48482 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 44.

The spelling of 13366342745 in words is "thirteen billion, three hundred sixty-six million, three hundred forty-two thousand, seven hundred forty-five".

Divisors: 1 5 7 35 49 245 1153 5765 8071 40355 47317 56497 236585 282485 331219 1656095 2318533 11592665 54556501 272782505 381895507 1909477535 2673268549 13366342745