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20541530592 = 2532116484069
BaseRepresentation
bin10011001000010111…
…101110000111100000
31222000120111212120100
4103020113232013200
5314032112434332
613234152142400
71325016062202
oct231027560740
958016455510
1020541530592
118791181a70
123b93397a00
131c2494113b
14dcc1ac772
1580358967c
hex4c85ee1e0

20541530592 has 72 divisors (see below), whose sum is σ = 63725439960. Its totient is φ = 6224705280.

The previous prime is 20541530579. The next prime is 20541530701. The reversal of 20541530592 is 29503514502.

It is a happy number.

20541530592 is a `hidden beast` number, since 2 + 0 + 54 + 15 + 3 + 0 + 592 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3238867 + ... + 3245202.

It is an arithmetic number, because the mean of its divisors is an integer number (885075555).

Almost surely, 220541530592 is an apocalyptic number.

20541530592 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20541530592 is an abundant number, since it is smaller than the sum of its proper divisors (43183909368).

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

20541530592 is a wasteful number, since it uses less digits than its factorization.

20541530592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484096 (or 6484085 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 20541530592 in words is "twenty billion, five hundred forty-one million, five hundred thirty thousand, five hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 66 72 88 96 99 132 144 176 198 264 288 352 396 528 792 1056 1584 3168 6484069 12968138 19452207 25936276 38904414 51872552 58356621 71324759 77808828 103745104 116713242 142649518 155617656 207490208 213974277 233426484 285299036 311235312 427948554 466852968 570598072 622470624 641922831 855897108 933705936 1141196144 1283845662 1711794216 1867411872 2282392288 2567691324 3423588432 5135382648 6847176864 10270765296 20541530592