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2663630613 = 32742279851
BaseRepresentation
bin1001111011000011…
…1100011100010101
320212122002110021200
42132300330130111
520423342134423
61120150503113
7123002325630
oct23660743425
96778073250
102663630613
111147606116
12624064a99
13335ac15b7
141b3a86c17
15108c9dd43
hex9ec3c715

2663630613 has 12 divisors (see below), whose sum is σ = 4397104608. Its totient is φ = 1522074600.

The previous prime is 2663630591. The next prime is 2663630623. The reversal of 2663630613 is 3160363662.

It is a happy number.

2663630613 is a `hidden beast` number, since 2 + 6 + 6 + 3 + 6 + 30 + 613 = 666.

It is not a de Polignac number, because 2663630613 - 212 = 2663626517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663630623) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 21139863 + ... + 21139988.

It is an arithmetic number, because the mean of its divisors is an integer number (366425384).

Almost surely, 22663630613 is an apocalyptic number.

It is an amenable number.

2663630613 is a deficient number, since it is larger than the sum of its proper divisors (1733473995).

2663630613 is a wasteful number, since it uses less digits than its factorization.

2663630613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42279864 (or 42279861 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The square root of 2663630613 is about 51610.3731143265. The cubic root of 2663630613 is about 1386.1960783418.

The spelling of 2663630613 in words is "two billion, six hundred sixty-three million, six hundred thirty thousand, six hundred thirteen".

Divisors: 1 3 7 9 21 63 42279851 126839553 295958957 380518659 887876871 2663630613