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10202344520 = 235475426779
BaseRepresentation
bin10011000000001101…
…10110110001001000
3222100000111210121212
421200012312301020
5131343300011040
64404211352252
7510552332444
oct114006666110
928300453555
1010202344520
114365a59495
121b888b2688
13c678b5964
146cad95824
153eaa2bd65
hex2601b6c48

10202344520 has 32 divisors (see below), whose sum is σ = 23443689600. Its totient is φ = 3994108608.

The previous prime is 10202344513. The next prime is 10202344619. The reversal of 10202344520 is 2544320201.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 2711510 + ... + 2715269.

It is an arithmetic number, because the mean of its divisors is an integer number (732615300).

Almost surely, 210202344520 is an apocalyptic number.

10202344520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202344520 is an abundant number, since it is smaller than the sum of its proper divisors (13241345080).

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

10202344520 is a wasteful number, since it uses less digits than its factorization.

10202344520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426837 (or 5426833 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 10202344520 its reverse (2544320201), we get a palindrome (12746664721).

The spelling of 10202344520 in words is "ten billion, two hundred two million, three hundred forty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 47 94 188 235 376 470 940 1880 5426779 10853558 21707116 27133895 43414232 54267790 108535580 217071160 255058613 510117226 1020234452 1275293065 2040468904 2550586130 5101172260 10202344520