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12810010760 = 235320250269
BaseRepresentation
bin10111110111000100…
…10100000010001000
31020001202021222012222
423323202110002020
5202213330321020
65515042553212
7632305203101
oct137342240210
936052258188
1012810010760
115483a0a758
122596068808
131291c11131
148974313a8
154ee923b25
hex2fb894088

12810010760 has 16 divisors (see below), whose sum is σ = 28822524300. Its totient is φ = 5124004288.

The previous prime is 12810010753. The next prime is 12810010769. The reversal of 12810010760 is 6701001821.

It can be written as a sum of positive squares in 2 ways, for example, as 12778493764 + 31516996 = 113042^2 + 5614^2 .

It is not an unprimeable number, because it can be changed into a prime (12810010769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160125095 + ... + 160125174.

Almost surely, 212810010760 is an apocalyptic number.

12810010760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12810010760 is an abundant number, since it is smaller than the sum of its proper divisors (16012513540).

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

12810010760 is a wasteful number, since it uses less digits than its factorization.

12810010760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320250280 (or 320250276 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 26.

The spelling of 12810010760 in words is "twelve billion, eight hundred ten million, ten thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 320250269 640500538 1281001076 1601251345 2562002152 3202502690 6405005380 12810010760