Search a number
-
+
23230030313 = 73318575759
BaseRepresentation
bin10101101000100111…
…100010000111101001
32012221221101210212002
4111220213202013221
5340033341432223
614401032100345
71451442666620
oct255047420751
965857353762
1023230030313
119940823666
1246038346b5
13226292c189
1411a528a6b7
1590e5ebe28
hex5689e21e9

23230030313 has 4 divisors (see below), whose sum is σ = 26548606080. Its totient is φ = 19911454548.

The previous prime is 23230030267. The next prime is 23230030321. The reversal of 23230030313 is 31303003232.

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 23230030313 - 218 = 23229768169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23230033313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659287873 + ... + 1659287886.

It is an arithmetic number, because the mean of its divisors is an integer number (6637151520).

Almost surely, 223230030313 is an apocalyptic number.

It is an amenable number.

23230030313 is a deficient number, since it is larger than the sum of its proper divisors (3318575767).

23230030313 is an equidigital number, since it uses as much as digits as its factorization.

23230030313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318575766.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 23230030313 its reverse (31303003232), we get a palindrome (54533033545).

The spelling of 23230030313 in words is "twenty-three billion, two hundred thirty million, thirty thousand, three hundred thirteen".

Divisors: 1 7 3318575759 23230030313