Search a number
-
+
5122493213 = 29176637697
BaseRepresentation
bin1001100010101001…
…10000101100011101
3111012222212121122212
410301110300230131
540442324240323
62204144450205
7240640321355
oct46124605435
914188777585
105122493213
112199571a72
12bab619965
13638349596
14368469b65
151eeaa0b78
hex131530b1d

5122493213 has 4 divisors (see below), whose sum is σ = 5299130940. Its totient is φ = 4945855488.

The previous prime is 5122493203. The next prime is 5122493263. The reversal of 5122493213 is 3123942215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3123942215 = 5624788443.

It can be written as a sum of positive squares in 2 ways, for example, as 3024670009 + 2097823204 = 54997^2 + 45802^2 .

It is a cyclic number.

It is not a de Polignac number, because 5122493213 - 216 = 5122427677 is a prime.

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 5122493213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5122493203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88318820 + ... + 88318877.

It is an arithmetic number, because the mean of its divisors is an integer number (1324782735).

Almost surely, 25122493213 is an apocalyptic number.

It is an amenable number.

5122493213 is a deficient number, since it is larger than the sum of its proper divisors (176637727).

5122493213 is a wasteful number, since it uses less digits than its factorization.

5122493213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176637726.

The product of its digits is 12960, while the sum is 32.

The square root of 5122493213 is about 71571.5950150617. The cubic root of 5122493213 is about 1723.8274704070.

The spelling of 5122493213 in words is "five billion, one hundred twenty-two million, four hundred ninety-three thousand, two hundred thirteen".

Divisors: 1 29 176637697 5122493213