Search a number
-
+
102212233213 = 121384264001
BaseRepresentation
bin101111100110001010…
…0101110011111111101
3100202211100100102201011
41133030110232133331
53133312312430323
6114542230515221
710245625435006
oct1371424563775
9322740312634
10102212233213
113a391160712
1217986805b11
13983bc3528c
144d38ba41ad
1529d357120d
hex17cc52e7fd

102212233213 has 4 divisors (see below), whose sum is σ = 102296498428. Its totient is φ = 102127968000.

The previous prime is 102212233171. The next prime is 102212233217. The reversal of 102212233213 is 312332212201.

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 58632748164 + 43579485049 = 242142^2 + 208757^2 .

It is a cyclic number.

It is not a de Polignac number, because 102212233213 - 213 = 102212225021 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 (102212233217) 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, 42130788 + ... + 42133213.

It is an arithmetic number, because the mean of its divisors is an integer number (25574124607).

Almost surely, 2102212233213 is an apocalyptic number.

It is an amenable number.

102212233213 is a deficient number, since it is larger than the sum of its proper divisors (84265215).

102212233213 is an equidigital number, since it uses as much as digits as its factorization.

102212233213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84265214.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 102212233213 its reverse (312332212201), we get a palindrome (414544445414).

The spelling of 102212233213 in words is "one hundred two billion, two hundred twelve million, two hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 1213 84264001 102212233213