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20426241344 = 26319160021
BaseRepresentation
bin10011000001011111…
…111011010101000000
31221201112120120110012
4103001133323111000
5313313104210334
613214513124052
71322116121015
oct230137732500
957645516405
1020426241344
1187320984a3
123b60859628
131c06aa6452
14dbab5b70c
157e83b49ce
hex4c17fb540

20426241344 has 14 divisors (see below), whose sum is σ = 40533322794. Its totient is φ = 10213120640.

The previous prime is 20426241337. The next prime is 20426241383. The reversal of 20426241344 is 44314262402.

It can be written as a sum of positive squares in only one way, i.e., 20061889600 + 364351744 = 141640^2 + 19088^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 20426241344.

It is a congruent 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 as a sum of consecutive naturals, namely, 159579947 + ... + 159580074.

Almost surely, 220426241344 is an apocalyptic number.

It is an amenable number.

20426241344 is a deficient number, since it is larger than the sum of its proper divisors (20107081450).

20426241344 is an equidigital number, since it uses as much as digits as its factorization.

20426241344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319160033 (or 319160023 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 20426241344 in words is "twenty billion, four hundred twenty-six million, two hundred forty-one thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 64 319160021 638320042 1276640084 2553280168 5106560336 10213120672 20426241344