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23013301312 = 26418770313
BaseRepresentation
bin10101011011101100…
…110001110001000000
32012101211120211120001
4111123230301301000
5334112401120222
614323330525344
71443201555631
oct253354616100
965354524501
1023013301312
11983a454991
124563136854
132229a68571
141184591888
158ea58ae27
hex55bb31c40

23013301312 has 28 divisors (see below), whose sum is σ = 46780854876. Its totient is φ = 11225999360.

The previous prime is 23013301273. The next prime is 23013301321. The reversal of 23013301312 is 21310331032.

It can be written as a sum of positive squares in 2 ways, for example, as 4358112256 + 18655189056 = 66016^2 + 136584^2 .

It is a super-2 number, since 2×230133013122 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23013301312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4382533 + ... + 4387780.

It is an arithmetic number, because the mean of its divisors is an integer number (1670744817).

Almost surely, 223013301312 is an apocalyptic number.

It is an amenable number.

23013301312 is an abundant number, since it is smaller than the sum of its proper divisors (23767553564).

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

23013301312 is an equidigital number, since it uses as much as digits as its factorization.

23013301312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8770366 (or 8770356 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23013301312 its reverse (21310331032), we get a palindrome (44323632344).

The spelling of 23013301312 in words is "twenty-three billion, thirteen million, three hundred one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 41 64 82 164 328 656 1312 2624 8770313 17540626 35081252 70162504 140325008 280650016 359582833 561300032 719165666 1438331332 2876662664 5753325328 11506650656 23013301312