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2660464313 = 13204651101
BaseRepresentation
bin1001111010010011…
…0111011010111001
320212102010120221022
42132210313122321
520422034324223
61115554552225
7122633400503
oct23644673271
96772116838
102660464313
111145843241
12622b98675
13335253350
141b34a0d73
15108875ac8
hex9e9376b9

2660464313 has 4 divisors (see below), whose sum is σ = 2865115428. Its totient is φ = 2455813200.

The previous prime is 2660464307. The next prime is 2660464327. The reversal of 2660464313 is 3134640662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3134640662 = 21567320331.

It can be written as a sum of positive squares in 2 ways, for example, as 442807849 + 2217656464 = 21043^2 + 47092^2 .

It is a cyclic number.

It is not a de Polignac number, because 2660464313 - 218 = 2660202169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2660464363) 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 3 ways as a sum of consecutive naturals, for example, 102325538 + ... + 102325563.

It is an arithmetic number, because the mean of its divisors is an integer number (716278857).

Almost surely, 22660464313 is an apocalyptic number.

It is an amenable number.

2660464313 is a deficient number, since it is larger than the sum of its proper divisors (204651115).

2660464313 is a wasteful number, since it uses less digits than its factorization.

2660464313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204651114.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 2660464313 is about 51579.6889579610. The cubic root of 2660464313 is about 1385.6465961292.

The spelling of 2660464313 in words is "two billion, six hundred sixty million, four hundred sixty-four thousand, three hundred thirteen".

Divisors: 1 13 204651101 2660464313