Search a number
-
+
23300013021 = 37766671007
BaseRepresentation
bin10101101100110010…
…011111101111011101
32020010211002022002020
4111230302133233131
5340204300404041
614412012050353
71453252562055
oct255462375735
966124068066
1023300013021
11997728270a
1246231639b9
132274292b6c
1411b06a6565
15915822866
hex56cc9fbdd

23300013021 has 4 divisors (see below), whose sum is σ = 31066684032. Its totient is φ = 15533342012.

The previous prime is 23300013007. The next prime is 23300013089. The reversal of 23300013021 is 12031000332.

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 23300013021 - 217 = 23299881949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23300013001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3883335501 + ... + 3883335506.

It is an arithmetic number, because the mean of its divisors is an integer number (7766671008).

Almost surely, 223300013021 is an apocalyptic number.

It is an amenable number.

23300013021 is a deficient number, since it is larger than the sum of its proper divisors (7766671011).

23300013021 is an equidigital number, since it uses as much as digits as its factorization.

23300013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7766671010.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23300013021 its reverse (12031000332), we get a palindrome (35331013353).

The spelling of 23300013021 in words is "twenty-three billion, three hundred million, thirteen thousand, twenty-one".

Divisors: 1 3 7766671007 23300013021