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23031001232 = 2412841112097
BaseRepresentation
bin10101011100110000…
…010011000010010000
32012110001220002021122
4111130300103002100
5334131414014412
614325202141412
71443505165121
oct253460230220
965401802248
1023031001232
119849444118
124569051868
132230624aa5
141186a7c048
158ebdd5572
hex55cc13090

23031001232 has 20 divisors (see below), whose sum is σ = 44626437996. Its totient is φ = 11514501120.

The previous prime is 23031001223. The next prime is 23031001247. The reversal of 23031001232 is 23210013032.

It can be written as a sum of positive squares in 2 ways, for example, as 11460987136 + 11570014096 = 107056^2 + 107564^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23031001232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149408 + ... + 261504.

Almost surely, 223031001232 is an apocalyptic number.

It is an amenable number.

23031001232 is a deficient number, since it is larger than the sum of its proper divisors (21595436764).

23031001232 is a wasteful number, since it uses less digits than its factorization.

23031001232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124946 (or 124940 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23031001232 its reverse (23210013032), we get a palindrome (46241014264).

The spelling of 23031001232 in words is "twenty-three billion, thirty-one million, one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 12841 25682 51364 102728 112097 205456 224194 448388 896776 1793552 1439437577 2878875154 5757750308 11515500616 23031001232