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3105039913 = 4782380273
BaseRepresentation
bin1011100100010011…
…0010011000101001
322000101200101000021
42321010302120221
522324342234123
61232035440441
7136642255333
oct27104623051
98011611007
103105039913
111353794498
12727a56121
133a63a1031
1421654a453
151328e1c5d
hexb9132629

3105039913 has 8 divisors (see below), whose sum is σ = 3174997248. Its totient is φ = 3035244864.

The previous prime is 3105039911. The next prime is 3105039923. The reversal of 3105039913 is 3199305013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3105039913 - 21 = 3105039911 is a prime.

It is a super-2 number, since 2×31050399132 = 19282545722646095138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3105039911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1456 + ... + 78817.

It is an arithmetic number, because the mean of its divisors is an integer number (396874656).

Almost surely, 23105039913 is an apocalyptic number.

It is an amenable number.

3105039913 is a deficient number, since it is larger than the sum of its proper divisors (69957335).

3105039913 is an equidigital number, since it uses as much as digits as its factorization.

3105039913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81143.

The product of its (nonzero) digits is 10935, while the sum is 34.

The square root of 3105039913 is about 55722.8850024835. The cubic root of 3105039913 is about 1458.8894903382.

The spelling of 3105039913 in words is "three billion, one hundred five million, thirty-nine thousand, nine hundred thirteen".

Divisors: 1 47 823 38681 80273 3772831 66064679 3105039913