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22530205554 = 235370849703
BaseRepresentation
bin10100111110111001…
…111010011101110010
32011011011120000202120
4110332321322131302
5332120213034204
614203352255110
71425214405323
oct247671723562
964134500676
1022530205554
11961179399a
1244493a1496
13218095179c
14113a35a44a
158bce616d9
hex53ee7a772

22530205554 has 16 divisors (see below), whose sum is σ = 45910608192. Its totient is φ = 7368369008.

The previous prime is 22530205541. The next prime is 22530205561. The reversal of 22530205554 is 45550203522.

It is a super-2 number, since 2×225302055542 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35424534 + ... + 35425169.

It is an arithmetic number, because the mean of its divisors is an integer number (2869413012).

Almost surely, 222530205554 is an apocalyptic number.

22530205554 is an abundant number, since it is smaller than the sum of its proper divisors (23380402638).

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

22530205554 is a wasteful number, since it uses less digits than its factorization.

22530205554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70849761.

The product of its (nonzero) digits is 60000, while the sum is 33.

The spelling of 22530205554 in words is "twenty-two billion, five hundred thirty million, two hundred five thousand, five hundred fifty-four".

Divisors: 1 2 3 6 53 106 159 318 70849703 141699406 212549109 425098218 3755034259 7510068518 11265102777 22530205554