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20525054504 = 236547391879
BaseRepresentation
bin10011000111011000…
…110111101000101000
31221222102111210121212
4103013120313220220
5314013403221004
613232403052252
71324426041023
oct230730675050
957872453555
1020525054504
118782949269
123b89971088
131c213c2986
14dc9d201ba
15801dd296e
hex4c7637a28

20525054504 has 16 divisors (see below), whose sum is σ = 38490453600. Its totient is φ = 10260933552.

The previous prime is 20525054503. The next prime is 20525054519. The reversal of 20525054504 is 40545052502.

It is not an unprimeable number, because it can be changed into a prime (20525054503) by changing a digit.

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, 143564 + ... + 248315.

It is an arithmetic number, because the mean of its divisors is an integer number (2405653350).

Almost surely, 220525054504 is an apocalyptic number.

It is an amenable number.

20525054504 is a deficient number, since it is larger than the sum of its proper divisors (17965399096).

20525054504 is a wasteful number, since it uses less digits than its factorization.

20525054504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398432 (or 398428 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The spelling of 20525054504 in words is "twenty billion, five hundred twenty-five million, fifty-four thousand, five hundred four".

Divisors: 1 2 4 8 6547 13094 26188 52376 391879 783758 1567516 3135032 2565631813 5131263626 10262527252 20525054504