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20081862284 = 2211283499897
BaseRepresentation
bin10010101100111110…
…001110011010001100
31220211112120022012012
4102230332032122030
5312111424043114
613120412000352
71310435004311
oct225476163214
956745508165
1020081862284
118575762400
123a854600b8
131b8063a863
14d87114d08
157c803b63e
hex4acf8e68c

20081862284 has 36 divisors (see below), whose sum is σ = 39094023192. Its totient is φ = 9018123840.

The previous prime is 20081862263. The next prime is 20081862343. The reversal of 20081862284 is 48226818002.

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, 209777 + ... + 290120.

Almost surely, 220081862284 is an apocalyptic number.

It is an amenable number.

20081862284 is a deficient number, since it is larger than the sum of its proper divisors (19012160908).

20081862284 is a wasteful number, since it uses less digits than its factorization.

20081862284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500006 (or 499993 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 41.

The spelling of 20081862284 in words is "twenty billion, eighty-one million, eight hundred sixty-two thousand, two hundred eighty-four".

Divisors: 1 2 4 11 22 44 83 121 166 242 332 484 913 1826 3652 10043 20086 40172 499897 999794 1999588 5498867 10997734 21995468 41491451 60487537 82982902 120975074 165965804 241950148 456405961 912811922 1825623844 5020465571 10040931142 20081862284