Base | Representation |
---|---|
bin | 10110010001110001… |
… | …111001010101000000 |
3 | 2021202001212000202111 |
4 | 112101301321111000 |
5 | 342442134101142 |
6 | 14553341425104 |
7 | 1504526565355 |
oct | 262161712500 |
9 | 67661760674 |
10 | 23920612672 |
11 | a165620390 |
12 | 4776b6b194 |
13 | 2342a21aa8 |
14 | 122cc9262c |
15 | 95005de17 |
hex | 591c79540 |
23920612672 has 56 divisors (see below), whose sum is σ = 51939639072. Its totient is φ = 10840051200.
The previous prime is 23920612669. The next prime is 23920612679. The reversal of 23920612672 is 27621602932.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23920612679) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181698 + ... + 284350.
Almost surely, 223920612672 is an apocalyptic number.
23920612672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23920612672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25969819536).
23920612672 is an abundant number, since it is smaller than the sum of its proper divisors (28019026400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23920612672 is a wasteful number, since it uses less digits than its factorization.
23920612672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103007 (or 102997 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 40.
The spelling of 23920612672 in words is "twenty-three billion, nine hundred twenty million, six hundred twelve thousand, six hundred seventy-two".
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