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20852307675 = 3252109850247
BaseRepresentation
bin10011011010111001…
…001111011011011011
31222211020021222120200
4103122321033123123
5320201142321200
613325053153243
71335511455633
oct233271173333
958736258520
1020852307675
118930647431
12405b48b823
131c741433c4
14101b5896c3
158209c6800
hex4dae4f6db

20852307675 has 36 divisors (see below), whose sum is σ = 37691493840. Its totient is φ = 11019188160.

The previous prime is 20852307601. The next prime is 20852307689. The reversal of 20852307675 is 57670325802.

It is not a de Polignac number, because 20852307675 - 29 = 20852307163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 20852307675.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 400599 + ... + 449648.

It is an arithmetic number, because the mean of its divisors is an integer number (1046985940).

Almost surely, 220852307675 is an apocalyptic number.

20852307675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20852307675 is a deficient number, since it is larger than the sum of its proper divisors (16839186165).

20852307675 is a wasteful number, since it uses less digits than its factorization.

20852307675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850372 (or 850364 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 20852307675 in words is "twenty billion, eight hundred fifty-two million, three hundred seven thousand, six hundred seventy-five".

Divisors: 1 3 5 9 15 25 45 75 109 225 327 545 981 1635 2725 4905 8175 24525 850247 2550741 4251235 7652223 12753705 21256175 38261115 63768525 92676923 191305575 278030769 463384615 834092307 1390153845 2316923075 4170461535 6950769225 20852307675