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28056310352 = 247250502771
BaseRepresentation
bin11010001000010010…
…010101001001010000
32200102021220020102122
4122020102111021100
5424424403412402
620520000033412
72012155463120
oct321022251120
980367806378
1028056310352
1110998068254
125530002868
1328517a5495
14150224ac80
15ae318aca2
hex688495250

28056310352 has 20 divisors (see below), whose sum is σ = 62124687456. Its totient is φ = 12024132960.

The previous prime is 28056310327. The next prime is 28056310357. The reversal of 28056310352 is 25301365082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28056310357) 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, 125251274 + ... + 125251497.

Almost surely, 228056310352 is an apocalyptic number.

It is an amenable number.

28056310352 is an abundant number, since it is smaller than the sum of its proper divisors (34068377104).

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

28056310352 is a wasteful number, since it uses less digits than its factorization.

28056310352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250502786 (or 250502780 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 28056310352 in words is "twenty-eight billion, fifty-six million, three hundred ten thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 250502771 501005542 1002011084 1753519397 2004022168 3507038794 4008044336 7014077588 14028155176 28056310352