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2021313012325 = 5280852520493
BaseRepresentation
bin11101011010011111101…
…001001110001001100101
321011020100210001001111221
4131122133221032021211
5231104122112343300
64144324532500341
7266015010056155
oct35323751161145
97136323031457
102021313012325
1170a263555462
122878b177a6b1
131187bbc81979
146db912c2765
15378a415931a
hex1d69fa4e265

2021313012325 has 6 divisors (see below), whose sum is σ = 2506428135314. Its totient is φ = 1617050409840.

The previous prime is 2021313012311. The next prime is 2021313012371. The reversal of 2021313012325 is 5232103131202.

It can be written as a sum of positive squares in 3 ways, for example, as 123217146529 + 1898095865796 = 351023^2 + 1377714^2 .

It is not a de Polignac number, because 2021313012325 - 27 = 2021313012197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 80852520493 = 2021313012325 / (2 + 0 + 2 + 1 + 3 + 1 + 3 + 0 + 1 + 2 + 3 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021313012325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40426260222 + ... + 40426260271.

Almost surely, 22021313012325 is an apocalyptic number.

2021313012325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2021313012325 is a deficient number, since it is larger than the sum of its proper divisors (485115122989).

2021313012325 is an equidigital number, since it uses as much as digits as its factorization.

2021313012325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80852520503 (or 80852520498 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 2021313012325 its reverse (5232103131202), we get a palindrome (7253416143527).

The spelling of 2021313012325 in words is "two trillion, twenty-one billion, three hundred thirteen million, twelve thousand, three hundred twenty-five".

Divisors: 1 5 25 80852520493 404262602465 2021313012325