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10265695760 = 245128321197
BaseRepresentation
bin10011000111110001…
…00001011000010000
3222111102201101012002
421203320201120100
5132011004231020
64414353253132
7512251655105
oct114370413020
928442641162
1010265695760
114398799191
121ba5b641a8
13c77a670b8
146d5566aac
15401392975
hex263e21610

10265695760 has 20 divisors (see below), whose sum is σ = 23867742828. Its totient is φ = 4106278272.

The previous prime is 10265695757. The next prime is 10265695793. The reversal of 10265695760 is 6759656201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7718676736 + 2547019024 = 87856^2 + 50468^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64160519 + ... + 64160678.

Almost surely, 210265695760 is an apocalyptic number.

10265695760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10265695760 is an abundant number, since it is smaller than the sum of its proper divisors (13602047068).

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

10265695760 is a wasteful number, since it uses less digits than its factorization.

10265695760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128321210 (or 128321204 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 10265695760 in words is "ten billion, two hundred sixty-five million, six hundred ninety-five thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 128321197 256642394 513284788 641605985 1026569576 1283211970 2053139152 2566423940 5132847880 10265695760