Search a number
-
+
23213033013 = 3503144710631
BaseRepresentation
bin10101100111100110…
…101100011000110101
32012220202102020221110
4111213212230120311
5340020014024023
614355223505233
71451145345042
oct254746543065
965822366843
1023213033013
119932174305
1245b9bb8219
13225c25a6c1
1411a2d041c9
1590cd90a93
hex5679ac635

23213033013 has 16 divisors (see below), whose sum is σ = 31036594176. Its totient is φ = 15432463920.

The previous prime is 23213033009. The next prime is 23213033047. The reversal of 23213033013 is 31033031232.

It is not a de Polignac number, because 23213033013 - 22 = 23213033009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213033413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2178208 + ... + 2188838.

It is an arithmetic number, because the mean of its divisors is an integer number (1939787136).

Almost surely, 223213033013 is an apocalyptic number.

It is an amenable number.

23213033013 is a deficient number, since it is larger than the sum of its proper divisors (7823561163).

23213033013 is a wasteful number, since it uses less digits than its factorization.

23213033013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12584.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23213033013 its reverse (31033031232), we get a palindrome (54246064245).

The spelling of 23213033013 in words is "twenty-three billion, two hundred thirteen million, thirty-three thousand, thirteen".

Divisors: 1 3 503 1447 1509 4341 10631 31893 727841 2183523 5347393 15383057 16042179 46149171 7737677671 23213033013