Search a number
-
+
10113211213 = 71444744459
BaseRepresentation
bin10010110101100101…
…10101101101001101
3222002210210100201021
421122302311231031
5131202440224323
64351305114141
7505420606540
oct113262655515
928083710637
1010113211213
11431a70a2a6
121b62a88951
13c522a8361
146bd1d2857
153e2cc205d
hex25acb5b4d

10113211213 has 4 divisors (see below), whose sum is σ = 11557955680. Its totient is φ = 8668466748.

The previous prime is 10113211211. The next prime is 10113211219. The reversal of 10113211213 is 31211231101.

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.

It is a cyclic number.

It is not a de Polignac number, because 10113211213 - 21 = 10113211211 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 (10113211211) 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, 722372223 + ... + 722372236.

It is an arithmetic number, because the mean of its divisors is an integer number (2889488920).

Almost surely, 210113211213 is an apocalyptic number.

It is an amenable number.

10113211213 is a deficient number, since it is larger than the sum of its proper divisors (1444744467).

10113211213 is an equidigital number, since it uses as much as digits as its factorization.

10113211213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444744466.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10113211213 its reverse (31211231101), we get a palindrome (41324442314).

The spelling of 10113211213 in words is "ten billion, one hundred thirteen million, two hundred eleven thousand, two hundred thirteen".

Divisors: 1 7 1444744459 10113211213