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20055958863 = 3477910611697
BaseRepresentation
bin10010101011011011…
…011010010101001111
31220202201211021101020
4102223123122111033
5312033311140423
613114044445223
71310001560163
oct225333322517
956681737336
1020055958863
11856207a816
123a78849813
131b7816b3a5
14d838d0ca3
157c5b214e3
hex4ab6da54f

20055958863 has 32 divisors (see below), whose sum is σ = 27698319360. Its totient is φ = 12900725760.

The previous prime is 20055958837. The next prime is 20055958873. The reversal of 20055958863 is 36885955002.

It is not a de Polignac number, because 20055958863 - 25 = 20055958831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20055958873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11817631 + ... + 11819327.

It is an arithmetic number, because the mean of its divisors is an integer number (865572480).

Almost surely, 220055958863 is an apocalyptic number.

20055958863 is a deficient number, since it is larger than the sum of its proper divisors (7642360497).

20055958863 is a wasteful number, since it uses less digits than its factorization.

20055958863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887.

The product of its (nonzero) digits is 2592000, while the sum is 51.

The spelling of 20055958863 in words is "twenty billion, fifty-five million, nine hundred fifty-eight thousand, eight hundred sixty-three".

Divisors: 1 3 47 79 141 237 1061 1697 3183 3713 5091 11139 49867 79759 83819 134063 149601 239277 251457 402189 1800517 3939493 5401551 6300961 11818479 18902883 84624299 142240843 253872897 426722529 6685319621 20055958863