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20010019092 = 2237599397687
BaseRepresentation
bin10010101000101100…
…001010100100010100
31220122112101021212020
4102220230022210110
5311440031102332
613105324053140
71305603233040
oct225054124424
956575337766
1020010019092
118539152568
123a653941b0
131b6b7a50ab
14d7b773020
157c1a9982c
hex4a8b0a914

20010019092 has 48 divisors (see below), whose sum is σ = 53449267200. Its totient is φ = 5707589472.

The previous prime is 20010019069. The next prime is 20010019093. The reversal of 20010019092 is 29091001002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010019093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148528 + ... + 249159.

It is an arithmetic number, because the mean of its divisors is an integer number (1113526400).

Almost surely, 220010019092 is an apocalyptic number.

It is an amenable number.

20010019092 is an abundant number, since it is smaller than the sum of its proper divisors (33439248108).

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

20010019092 is a wasteful number, since it uses less digits than its factorization.

20010019092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398300 (or 398298 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 20010019092 in words is "twenty billion, ten million, nineteen thousand, ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 599 1198 1797 2396 3594 4193 7188 8386 12579 16772 25158 50316 397687 795374 1193061 1590748 2386122 2783809 4772244 5567618 8351427 11135236 16702854 33405708 238214513 476429026 714643539 952858052 1429287078 1667501591 2858574156 3335003182 5002504773 6670006364 10005009546 20010019092