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20565300048 = 2431912243161
BaseRepresentation
bin10011001001110010…
…011001001101010000
31222002020020111010120
4103021302121031100
5314104204100143
613240401430240
71325425110666
oct231162311520
958066214116
1020565300048
1187a3637347
123b9b33b380
131c298441c7
14dd13d8c36
158056d2383
hex4c9c99350

20565300048 has 40 divisors (see below), whose sum is σ = 53405200896. Its totient is φ = 6819206400.

The previous prime is 20565300029. The next prime is 20565300053. The reversal of 20565300048 is 84000356502.

It is a junction number, because it is equal to n+sod(n) for n = 20565299991 and 20565300018.

It is a congruent number.

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, 1112413 + ... + 1130748.

Almost surely, 220565300048 is an apocalyptic number.

It is an amenable number.

20565300048 is an abundant number, since it is smaller than the sum of its proper divisors (32839900848).

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

20565300048 is a wasteful number, since it uses less digits than its factorization.

20565300048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243363 (or 2243357 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 20565300048 in words is "twenty billion, five hundred sixty-five million, three hundred thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 191 382 573 764 1146 1528 2292 3056 4584 9168 2243161 4486322 6729483 8972644 13458966 17945288 26917932 35890576 53835864 107671728 428443751 856887502 1285331253 1713775004 2570662506 3427550008 5141325012 6855100016 10282650024 20565300048