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10254621620 = 225512731081
BaseRepresentation
bin10011000110011100…
…10001101110110100
3222110122212202022202
421203032101232310
5132000140342440
64413320044032
7512055563015
oct114316215664
928418782282
1010254621620
114392515001
121ba2303618
13c7568a659
146d3cc300c
15400406615
hex263391bb4

10254621620 has 12 divisors (see below), whose sum is σ = 21534705444. Its totient is φ = 4101848640.

The previous prime is 10254621583. The next prime is 10254621667. The reversal of 10254621620 is 2612645201.

10254621620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5495553424 + 4759068196 = 74132^2 + 68986^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256365521 + ... + 256365560.

It is an arithmetic number, because the mean of its divisors is an integer number (1794558787).

Almost surely, 210254621620 is an apocalyptic number.

10254621620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10254621620 is an abundant number, since it is smaller than the sum of its proper divisors (11280083824).

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

10254621620 is a wasteful number, since it uses less digits than its factorization.

10254621620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512731090 (or 512731088 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 10254621620 in words is "ten billion, two hundred fifty-four million, six hundred twenty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 512731081 1025462162 2050924324 2563655405 5127310810 10254621620