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20524534352 = 247226179253
BaseRepresentation
bin10011000111010110…
…111000101001010000
31221222101112101002222
4103013112320221100
5314013240044402
613232344000212
71324421443400
oct230726705120
957871471088
1020524534352
118782623493
123b89760068
131c2126ccaa
14dc9c26800
15801d2d7a2
hex4c75b8a50

20524534352 has 30 divisors (see below), whose sum is σ = 46258741818. Its totient is φ = 8796228672.

The previous prime is 20524534339. The next prime is 20524534361. The reversal of 20524534352 is 25343542502.

It can be written as a sum of positive squares in only one way, i.e., 12531459136 + 7993075216 = 111944^2 + 89404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13088843 + ... + 13090410.

Almost surely, 220524534352 is an apocalyptic number.

It is an amenable number.

20524534352 is an abundant number, since it is smaller than the sum of its proper divisors (25734207466).

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

20524534352 is a wasteful number, since it uses less digits than its factorization.

20524534352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26179275 (or 26179262 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 20524534352 in words is "twenty billion, five hundred twenty-four million, five hundred thirty-four thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 26179253 52358506 104717012 183254771 209434024 366509542 418868048 733019084 1282783397 1466038168 2565566794 2932076336 5131133588 10262267176 20524534352