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210323310013 = 971921640427
BaseRepresentation
bin1100001111100000111…
…1110000010110111101
3202002212210102011120201
43003320033300112331
511421220231410023
6240342102243501
721124002431515
oct3037017602675
9662783364521
10210323310013
118121a030873
1234918a26591
1316aaaca933b
14a273164845
15570e8e7bad
hex30f83f05bd

210323310013 has 4 divisors (see below), whose sum is σ = 210344960160. Its totient is φ = 210301659868.

The previous prime is 210323310007. The next prime is 210323310031. The reversal of 210323310013 is 310013323012.

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 210323310013 - 29 = 210323309501 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 (210323310083) 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, 10810495 + ... + 10829932.

It is an arithmetic number, because the mean of its divisors is an integer number (52586240040).

Almost surely, 2210323310013 is an apocalyptic number.

It is an amenable number.

210323310013 is a deficient number, since it is larger than the sum of its proper divisors (21650147).

210323310013 is an equidigital number, since it uses as much as digits as its factorization.

210323310013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21650146.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 210323310013 its reverse (310013323012), we get a palindrome (520336633025).

The spelling of 210323310013 in words is "two hundred ten billion, three hundred twenty-three million, three hundred ten thousand, thirteen".

Divisors: 1 9719 21640427 210323310013