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20450412652 = 22195035091051
BaseRepresentation
bin10011000010111100…
…001000100001101100
31221210020001121020211
4103002330020201230
5313340301201102
613221135152204
71322531432215
oct230274104154
957706047224
1020450412652
1187447a778a
123b68975664
131c0baba3b7
14dc005040c
157ea58b7d7
hex4c2f0886c

20450412652 has 48 divisors (see below), whose sum is σ = 37856851200. Its totient is φ = 9639604800.

The previous prime is 20450412641. The next prime is 20450412713. The reversal of 20450412652 is 25621405402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19457527 + ... + 19458577.

It is an arithmetic number, because the mean of its divisors is an integer number (788684400).

Almost surely, 220450412652 is an apocalyptic number.

It is an amenable number.

20450412652 is a deficient number, since it is larger than the sum of its proper divisors (17406438548).

20450412652 is a wasteful number, since it uses less digits than its factorization.

20450412652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086 (or 2084 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

It can be divided in two parts, 204504 and 12652, that added together give a square (217156 = 4662).

The spelling of 20450412652 in words is "twenty billion, four hundred fifty million, four hundred twelve thousand, six hundred fifty-two".

Divisors: 1 2 4 19 38 76 503 509 1006 1018 1051 2012 2036 2102 4204 9557 9671 19114 19342 19969 38228 38684 39938 79876 256027 512054 528653 534959 1024108 1057306 1069918 2114612 2139836 4864513 9729026 10044407 10164221 19458052 20088814 20328442 40177628 40656884 269084377 538168754 1076337508 5112603163 10225206326 20450412652