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23203131304 = 2329100013497
BaseRepresentation
bin10101100111000000…
…111010111110101000
32012220001210012100111
4111213000322332220
5340010000200204
614354231344104
71450665235063
oct254700727650
965801705314
1023203131304
119927620a81
1245b6822034
13225a1a17c2
1411a18878da
1590c086d04
hex56703afa8

23203131304 has 16 divisors (see below), whose sum is σ = 45006074100. Its totient is φ = 11201511552.

The previous prime is 23203131293. The next prime is 23203131307. The reversal of 23203131304 is 40313130232.

It can be written as a sum of positive squares in 2 ways, for example, as 20457580900 + 2745550404 = 143030^2 + 52398^2 .

It is not an unprimeable number, because it can be changed into a prime (23203131307) 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, 50006517 + ... + 50006980.

Almost surely, 223203131304 is an apocalyptic number.

It is an amenable number.

23203131304 is a deficient number, since it is larger than the sum of its proper divisors (21802942796).

23203131304 is a wasteful number, since it uses less digits than its factorization.

23203131304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100013532 (or 100013528 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23203131304 its reverse (40313130232), we get a palindrome (63516261536).

The spelling of 23203131304 in words is "twenty-three billion, two hundred three million, one hundred thirty-one thousand, three hundred four".

Divisors: 1 2 4 8 29 58 116 232 100013497 200026994 400053988 800107976 2900391413 5800782826 11601565652 23203131304