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10250437220 = 225512521861
BaseRepresentation
bin10011000101111100…
…10100001001100100
3222110101000011101222
421202332110021210
5131443102442340
64413050235512
7512005164422
oct114276241144
928411004358
1010250437220
114390117221
121ba0a25b98
13c74853b8a
146d3514112
153eed7b8b5
hex262f94264

10250437220 has 12 divisors (see below), whose sum is σ = 21525918204. Its totient is φ = 4100174880.

The previous prime is 10250437207. The next prime is 10250437231. The reversal of 10250437220 is 2273405201.

It can be written as a sum of positive squares in 2 ways, for example, as 5716569664 + 4533867556 = 75608^2 + 67334^2 .

It is a super-2 number, since 2×102504372202 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10250437220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256260911 + ... + 256260950.

It is an arithmetic number, because the mean of its divisors is an integer number (1793826517).

Almost surely, 210250437220 is an apocalyptic number.

10250437220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10250437220 is an abundant number, since it is smaller than the sum of its proper divisors (11275480984).

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

10250437220 is a wasteful number, since it uses less digits than its factorization.

10250437220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512521870 (or 512521868 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The spelling of 10250437220 in words is "ten billion, two hundred fifty million, four hundred thirty-seven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 512521861 1025043722 2050087444 2562609305 5125218610 10250437220