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20202930522 = 233374128343
BaseRepresentation
bin10010110100001100…
…000100000101011010
31221010222101012121000
4102310030010011122
5312333422234042
613140414525430
71313435035035
oct226414040532
957128335530
1020202930522
1186280337a5
123ab9b06876
131b9c749a78
14d9922c01c
157d39a374c
hex4b430415a

20202930522 has 16 divisors (see below), whose sum is σ = 44895401280. Its totient is φ = 6734310156.

The previous prime is 20202930521. The next prime is 20202930541. The reversal of 20202930522 is 22503920202.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20202930521) 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 7 ways as a sum of consecutive naturals, for example, 187064118 + ... + 187064225.

It is an arithmetic number, because the mean of its divisors is an integer number (2805962580).

Almost surely, 220202930522 is an apocalyptic number.

20202930522 is an abundant number, since it is smaller than the sum of its proper divisors (24692470758).

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

20202930522 is a wasteful number, since it uses less digits than its factorization.

20202930522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374128354 (or 374128348 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 20202930522 in words is "twenty billion, two hundred two million, nine hundred thirty thousand, five hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 374128343 748256686 1122385029 2244770058 3367155087 6734310174 10101465261 20202930522