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23131300404 = 2238563225109
BaseRepresentation
bin10101100010101110…
…111010001000110100
32012201001121210212210
4111202232322020310
5334333103103104
614343144013420
71446133544412
oct254256721064
965631553783
1023131300404
1198a001a3a3
124596761270
132248341804
14119610a2b2
15905ae8989
hex562bba234

23131300404 has 24 divisors (see below), whose sum is σ = 53979577120. Its totient is φ = 7709498784.

The previous prime is 23131300403. The next prime is 23131300429. The reversal of 23131300404 is 40400313132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131300403) 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 7 ways as a sum of consecutive naturals, for example, 9799 + ... + 215310.

Almost surely, 223131300404 is an apocalyptic number.

It is an amenable number.

23131300404 is an abundant number, since it is smaller than the sum of its proper divisors (30848276716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23131300404 is a wasteful number, since it uses less digits than its factorization.

23131300404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233679 (or 233677 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23131300404 its reverse (40400313132), we get a palindrome (63531613536).

The spelling of 23131300404 in words is "twenty-three billion, one hundred thirty-one million, three hundred thousand, four hundred four".

Divisors: 1 2 3 4 6 12 8563 17126 25689 34252 51378 102756 225109 450218 675327 900436 1350654 2701308 1927608367 3855216734 5782825101 7710433468 11565650202 23131300404