Search a number
-
+
210232111313 = 730033158759
BaseRepresentation
bin1100001111001011001…
…1110111000011010001
3202002122102210210111002
43003302303313003101
511421023410030223
6240325043431345
721121514314220
oct3036263670321
9662572723432
10210232111313
1181182600944
12348b2385555
1316a95127903
14a264dc4cb7
1557068d0e28
hex30f2cf70d1

210232111313 has 4 divisors (see below), whose sum is σ = 240265270080. Its totient is φ = 180198952548.

The previous prime is 210232111307. The next prime is 210232111339. The reversal of 210232111313 is 313111232012.

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 210232111313 - 218 = 210231849169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210232111213) 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, 15016579373 + ... + 15016579386.

It is an arithmetic number, because the mean of its divisors is an integer number (60066317520).

Almost surely, 2210232111313 is an apocalyptic number.

It is an amenable number.

210232111313 is a deficient number, since it is larger than the sum of its proper divisors (30033158767).

210232111313 is an equidigital number, since it uses as much as digits as its factorization.

210232111313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30033158766.

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

Adding to 210232111313 its reverse (313111232012), we get a palindrome (523343343325).

The spelling of 210232111313 in words is "two hundred ten billion, two hundred thirty-two million, one hundred eleven thousand, three hundred thirteen".

Divisors: 1 7 30033158759 210232111313