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22820750525 = 5210144920129
BaseRepresentation
bin10101010000001110…
…010000010010111101
32011220102021020112102
4111100032100102331
5333214103004100
614252251514445
71435343115236
oct252016202275
964812236472
1022820750525
11975079a701
12450a758a25
1321c8bbbaa1
141166b8c08d
158d8703cd5
hex5503904bd

22820750525 has 24 divisors (see below), whose sum is σ = 28642977000. Its totient is φ = 18034688000.

The previous prime is 22820750521. The next prime is 22820750549. The reversal of 22820750525 is 52505702822.

It can be written as a sum of positive squares in 12 ways, for example, as 44809636 + 22775940889 = 6694^2 + 150917^2 .

It is not a de Polignac number, because 22820750525 - 22 = 22820750521 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22820750521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1123661 + ... + 1143789.

It is an arithmetic number, because the mean of its divisors is an integer number (1193457375).

Almost surely, 222820750525 is an apocalyptic number.

22820750525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22820750525 is a deficient number, since it is larger than the sum of its proper divisors (5822226475).

22820750525 is a wasteful number, since it uses less digits than its factorization.

22820750525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20689 (or 20684 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 22820750525 in words is "twenty-two billion, eight hundred twenty million, seven hundred fifty thousand, five hundred twenty-five".

Divisors: 1 5 25 101 449 505 2245 2525 11225 20129 45349 100645 226745 503225 1133725 2033029 9037921 10165145 45189605 50825725 225948025 912830021 4564150105 22820750525