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13142870260 = 2251350549501
BaseRepresentation
bin11000011110110000…
…00100100011110100
31020220221121222121121
430033120010203310
5203404033322020
610012053153324
7643456361002
oct141730044364
936827558547
1013142870260
115634897a53
12266962b844
131315b75610
148c9719a72
1551dc73baa
hex30f6048f4

13142870260 has 24 divisors (see below), whose sum is σ = 29723107176. Its totient is φ = 4852752000.

The previous prime is 13142870201. The next prime is 13142870297. The reversal of 13142870260 is 6207824131.

It can be written as a sum of positive squares in 4 ways, for example, as 1198128996 + 11944741264 = 34614^2 + 109292^2 .

It is a congruent number.

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, 25274491 + ... + 25275010.

It is an arithmetic number, because the mean of its divisors is an integer number (1238462799).

Almost surely, 213142870260 is an apocalyptic number.

13142870260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13142870260 is an abundant number, since it is smaller than the sum of its proper divisors (16580236916).

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

13142870260 is a wasteful number, since it uses less digits than its factorization.

13142870260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50549523 (or 50549521 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 13142870260 in words is "thirteen billion, one hundred forty-two million, eight hundred seventy thousand, two hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 50549501 101099002 202198004 252747505 505495010 657143513 1010990020 1314287026 2628574052 3285717565 6571435130 13142870260