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20210920300 = 2252202109203
BaseRepresentation
bin10010110100101010…
…100010101101101100
31221011112102010111201
4102310222202231230
5312342443422200
613141302055244
71313562662614
oct226452425554
957145363451
1020210920300
1186315a061a
123b0071a524
131ba12b664c
14d9a30ba44
157d4530c6a
hex4b4aa2b6c

20210920300 has 18 divisors (see below), whose sum is σ = 43857697268. Its totient is φ = 8084368080.

The previous prime is 20210920297. The next prime is 20210920313. The reversal of 20210920300 is 302901202.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101054502 + ... + 101054701.

Almost surely, 220210920300 is an apocalyptic number.

20210920300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210920300 is an abundant number, since it is smaller than the sum of its proper divisors (23646776968).

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

20210920300 is a wasteful number, since it uses less digits than its factorization.

20210920300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202109217 (or 202109210 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The spelling of 20210920300 in words is "twenty billion, two hundred ten million, nine hundred twenty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 202109203 404218406 808436812 1010546015 2021092030 4042184060 5052730075 10105460150 20210920300