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20192747301 = 322293978473
BaseRepresentation
bin10010110011100101…
…001101111100100101
31221010021012211211200
4102303211031330211
5312323320403201
613135412353113
71313252343246
oct226345157445
957107184750
1020192747301
118622308a11
123ab6615799
131b9a5c29ac
14d97b3accd
157d2b41386
hex4b394df25

20192747301 has 12 divisors (see below), whose sum is σ = 29180051628. Its totient is φ = 13455946944.

The previous prime is 20192747297. The next prime is 20192747303. The reversal of 20192747301 is 10374729102.

It can be written as a sum of positive squares in 2 ways, for example, as 6029367201 + 14163380100 = 77649^2 + 119010^2 .

It is not a de Polignac number, because 20192747301 - 22 = 20192747297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20192747303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 468600 + ... + 509873.

It is an arithmetic number, because the mean of its divisors is an integer number (2431670969).

Almost surely, 220192747301 is an apocalyptic number.

It is an amenable number.

20192747301 is a deficient number, since it is larger than the sum of its proper divisors (8987304327).

20192747301 is a wasteful number, since it uses less digits than its factorization.

20192747301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980772 (or 980769 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 20192747301 in words is "twenty billion, one hundred ninety-two million, seven hundred forty-seven thousand, three hundred one".

Divisors: 1 3 9 2293 6879 20637 978473 2935419 8806257 2243638589 6730915767 20192747301