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13283071880 = 2351325544369
BaseRepresentation
bin11000101111011101…
…11001011110001000
31021021201102222002012
430113232321132020
5204200431300010
610034022155052
7650111151041
oct142756713610
937251388065
1013283071880
1156a6a47561
1226a8582a88
131338c23660
149001b38c8
1552b21a005
hex317bb9788

13283071880 has 32 divisors (see below), whose sum is σ = 32185906200. Its totient is φ = 4904518656.

The previous prime is 13283071853. The next prime is 13283071903. The reversal of 13283071880 is 8817038231.

It can be written as a sum of positive squares in 4 ways, for example, as 10992683716 + 2290388164 = 104846^2 + 47858^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12771665 + ... + 12772704.

Almost surely, 213283071880 is an apocalyptic number.

13283071880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13283071880 is an abundant number, since it is smaller than the sum of its proper divisors (18902834320).

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

13283071880 is a wasteful number, since it uses less digits than its factorization.

13283071880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25544393 (or 25544389 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 13283071880 in words is "thirteen billion, two hundred eighty-three million, seventy-one thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 25544369 51088738 102177476 127721845 204354952 255443690 332076797 510887380 664153594 1021774760 1328307188 1660383985 2656614376 3320767970 6641535940 13283071880