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20282550528 = 28326409571
BaseRepresentation
bin10010111000111011…
…110010100100000000
31221100112012022201010
4102320323302210000
5313014313104103
613152341240520
71315422556242
oct227073624400
957315168633
1020282550528
118668a75459
123b20703140
131bb30a61b6
14da5a36092
157da97e903
hex4b8ef2900

20282550528 has 36 divisors (see below), whose sum is σ = 53981165168. Its totient is φ = 6760849920.

The previous prime is 20282550479. The next prime is 20282550571. The reversal of 20282550528 is 82505528202.

It is a happy number.

It is a super-2 number, since 2×202825505282 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 13204018 + ... + 13205553.

Almost surely, 220282550528 is an apocalyptic number.

It is an amenable number.

20282550528 is an abundant number, since it is smaller than the sum of its proper divisors (33698614640).

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

20282550528 is an equidigital number, since it uses as much as digits as its factorization.

20282550528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26409590 (or 26409576 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 39.

The spelling of 20282550528 in words is "twenty billion, two hundred eighty-two million, five hundred fifty thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 26409571 52819142 79228713 105638284 158457426 211276568 316914852 422553136 633829704 845106272 1267659408 1690212544 2535318816 3380425088 5070637632 6760850176 10141275264 20282550528