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813116270 = 25227358201
BaseRepresentation
bin110000011101110…
…010101101101110
32002200000120211102
4300131302231232
53131124210040
6212403523102
726102242241
oct6035625556
92080016742
10813116270
11387a8a31a
121a8389492
13cc5c5cb5
1479dc1258
154b5b8515
hex30772b6e

813116270 has 16 divisors (see below), whose sum is σ = 1470061008. Its totient is φ = 323812800.

The previous prime is 813116261. The next prime is 813116321. The reversal of 813116270 is 72611318.

It is a super-2 number, since 2×8131162702 = 1322316137077425800, which contains 22 as substring.

It is a Curzon number.

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 in 7 ways as a sum of consecutive naturals, for example, 176831 + ... + 181370.

It is an arithmetic number, because the mean of its divisors is an integer number (91878813).

Almost surely, 2813116270 is an apocalyptic number.

813116270 is a deficient number, since it is larger than the sum of its proper divisors (656944738).

813116270 is a wasteful number, since it uses less digits than its factorization.

813116270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358435.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 813116270 is about 28515.1936693406. The cubic root of 813116270 is about 933.3636510843.

Adding to 813116270 its reverse (72611318), we get a palindrome (885727588).

The spelling of 813116270 in words is "eight hundred thirteen million, one hundred sixteen thousand, two hundred seventy".

Divisors: 1 2 5 10 227 454 1135 2270 358201 716402 1791005 3582010 81311627 162623254 406558135 813116270