Search a number
-
+
23210045013 = 37736681671
BaseRepresentation
bin10101100111011011…
…010010111001010101
32012220112210110011210
4111213123102321111
5340013232420023
614355035452033
71451111061501
oct254733227125
965815713153
1023210045013
119930513391
1245b8bb7019
13225b75265c
1411a2767301
1590c9a0593
hex5676d2e55

23210045013 has 4 divisors (see below), whose sum is σ = 30946726688. Its totient is φ = 15473363340.

The previous prime is 23210045003. The next prime is 23210045017. The reversal of 23210045013 is 31054001232.

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 not a de Polignac number, because 23210045013 - 213 = 23210036821 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 (23210045017) 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, 3868340833 + ... + 3868340838.

It is an arithmetic number, because the mean of its divisors is an integer number (7736681672).

Almost surely, 223210045013 is an apocalyptic number.

It is an amenable number.

23210045013 is a deficient number, since it is larger than the sum of its proper divisors (7736681675).

23210045013 is an equidigital number, since it uses as much as digits as its factorization.

23210045013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7736681674.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 23210045013 its reverse (31054001232), we get a palindrome (54264046245).

The spelling of 23210045013 in words is "twenty-three billion, two hundred ten million, forty-five thousand, thirteen".

Divisors: 1 3 7736681671 23210045013