Search a number
-
+
3120553105 = 5624110621
BaseRepresentation
bin1011100111111111…
…1101110010010001
322001110212112002221
42321333331302101
522342330144410
61233352141041
7140221156315
oct27177756221
98043775087
103120553105
11136151a80a
12731097781
133a9673137
14218627b45
15133e584da
hexb9ffdc91

3120553105 has 4 divisors (see below), whose sum is σ = 3744663732. Its totient is φ = 2496442480.

The previous prime is 3120553097. The next prime is 3120553127. The reversal of 3120553105 is 5013550213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 803382336 + 2317170769 = 28344^2 + 48137^2 .

It is not a de Polignac number, because 3120553105 - 23 = 3120553097 is a prime.

It is a super-2 number, since 2×31205531052 = 19475703362250282050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3120553105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312055306 + ... + 312055315.

It is an arithmetic number, because the mean of its divisors is an integer number (936165933).

Almost surely, 23120553105 is an apocalyptic number.

It is an amenable number.

3120553105 is a deficient number, since it is larger than the sum of its proper divisors (624110627).

3120553105 is an equidigital number, since it uses as much as digits as its factorization.

3120553105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624110626.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 3120553105 is about 55861.9110396342. The cubic root of 3120553105 is about 1461.3150572435.

The spelling of 3120553105 in words is "three billion, one hundred twenty million, five hundred fifty-three thousand, one hundred five".

Divisors: 1 5 624110621 3120553105