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3113159309 = 132297972
BaseRepresentation
bin1011100110001111…
…0000101010001101
322000221221212201122
42321203300222031
522333432044214
61232525450325
7140101263131
oct27143605215
98027855648
103113159309
11135832a737
1272a7109a5
133a7c84900
142176613c1
1513349788e
hexb98f0a8d

3113159309 has 18 divisors (see below), whose sum is σ = 3491678430. Its totient is φ = 2771111616.

The previous prime is 3113159303. The next prime is 3113159321. The reversal of 3113159309 is 9039513113.

3113159309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 1559065225 + 1554094084 = 39485^2 + 39422^2 .

It is a de Polignac number, because none of the positive numbers 2k-3113159309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113159303) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3905699 + ... + 3906495.

It is an arithmetic number, because the mean of its divisors is an integer number (193982135).

Almost surely, 23113159309 is an apocalyptic number.

It is an amenable number.

3113159309 is a deficient number, since it is larger than the sum of its proper divisors (378519121).

3113159309 is an frugal number, since it uses more digits than its factorization.

3113159309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 10935, while the sum is 35.

The square root of 3113159309 is about 55795.6925667206. The cubic root of 3113159309 is about 1460.1600045133.

The spelling of 3113159309 in words is "three billion, one hundred thirteen million, one hundred fifty-nine thousand, three hundred nine".

Divisors: 1 13 29 169 377 797 4901 10361 23113 134693 300469 635209 3906097 8257717 18421061 107350321 239473793 3113159309