Search a number
-
+
113210312213 = 137143825491
BaseRepresentation
bin110100101101111011…
…1000100011000010101
3101211012211011201211102
41221123313010120111
53323323314442323
6124001425515445
711115312530165
oct1513367043025
9354184151742
10113210312213
11440152a71a9
1219b35aa2b85
13a8a263942b
14569d6d45a5
152e28d81328
hex1a5bdc4615

113210312213 has 4 divisors (see below), whose sum is σ = 113211274848. Its totient is φ = 113209349580.

The previous prime is 113210312191. The next prime is 113210312221. The reversal of 113210312213 is 312213012311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 113210312213 - 230 = 112136570389 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 (113210312273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275603 + ... + 549888.

It is an arithmetic number, because the mean of its divisors is an integer number (28302818712).

Almost surely, 2113210312213 is an apocalyptic number.

It is an amenable number.

113210312213 is a deficient number, since it is larger than the sum of its proper divisors (962635).

113210312213 is an equidigital number, since it uses as much as digits as its factorization.

113210312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962634.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113210312213 its reverse (312213012311), we get a palindrome (425423324524).

The spelling of 113210312213 in words is "one hundred thirteen billion, two hundred ten million, three hundred twelve thousand, two hundred thirteen".

Divisors: 1 137143 825491 113210312213