Search a number
-
+
3108988090 = 251323915293
BaseRepresentation
bin1011100101001111…
…0110010010111010
322000200002221220001
42321103312102322
522331400104330
61232300223214
7140020651135
oct27123662272
98020087801
103108988090
111355a4084a
1272923ab0a
133a7154130
14216c9721c
15132e219ca
hexb94f64ba

3108988090 has 16 divisors (see below), whose sum is σ = 6026654088. Its totient is φ = 1147934016.

The previous prime is 3108988081. The next prime is 3108988093. The reversal of 3108988090 is 908898013.

It can be written as a sum of positive squares in 4 ways, for example, as 2768548689 + 340439401 = 52617^2 + 18451^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3108988090.

It is not an unprimeable number, because it can be changed into a prime (3108988093) 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, 11957517 + ... + 11957776.

Almost surely, 23108988090 is an apocalyptic number.

3108988090 is a deficient number, since it is larger than the sum of its proper divisors (2917665998).

3108988090 is a wasteful number, since it uses less digits than its factorization.

3108988090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23915313.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 3108988090 is about 55758.3006376629. The cubic root of 3108988090 is about 1459.5075730340.

The spelling of 3108988090 in words is "three billion, one hundred eight million, nine hundred eighty-eight thousand, ninety".

Divisors: 1 2 5 10 13 26 65 130 23915293 47830586 119576465 239152930 310898809 621797618 1554494045 3108988090