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13080562728 = 233545023447
BaseRepresentation
bin11000010111010100…
…11000110000101000
31020202121101102202020
430023222120300220
5203242111001403
610001545504440
7642101643252
oct141352306050
936677342666
1013080562728
115602700422
1226507a2120
131305c9b25c
148c133acd2
15518567453
hex30ba98c28

13080562728 has 16 divisors (see below), whose sum is σ = 32701406880. Its totient is φ = 4360187568.

The previous prime is 13080562717. The next prime is 13080562753. The reversal of 13080562728 is 82726508031.

It is a super-2 number, since 2×130805627282 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13080562728.

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, 272511700 + ... + 272511747.

It is an arithmetic number, because the mean of its divisors is an integer number (2043837930).

Almost surely, 213080562728 is an apocalyptic number.

It is an amenable number.

13080562728 is an abundant number, since it is smaller than the sum of its proper divisors (19620844152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13080562728 is a wasteful number, since it uses less digits than its factorization.

13080562728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545023456 (or 545023452 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 13080562728 in words is "thirteen billion, eighty million, five hundred sixty-two thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 545023447 1090046894 1635070341 2180093788 3270140682 4360187576 6540281364 13080562728