Base | Representation |
---|---|
bin | 10110001100001101… |
… | …110010100011100100 |
3 | 2021111120012022020220 |
4 | 112030031302203210 |
5 | 342244234333133 |
6 | 14540204524340 |
7 | 1502314245120 |
oct | 261415624344 |
9 | 67446168226 |
10 | 23827261668 |
11 | a1179603a1 |
12 | 474b8506b0 |
13 | 2329598802 |
14 | 1220712580 |
15 | 946c6e5b3 |
hex | 58c3728e4 |
23827261668 has 24 divisors (see below), whose sum is σ = 63539364672. Its totient is φ = 6807789024.
The previous prime is 23827261663. The next prime is 23827261709. The reversal of 23827261668 is 86616272832.
It is a self number, because there is not a number n which added to its sum of digits gives 23827261668.
It is not an unprimeable number, because it can be changed into a prime (23827261663) 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, 141828855 + ... + 141829022.
It is an arithmetic number, because the mean of its divisors is an integer number (2647473528).
Almost surely, 223827261668 is an apocalyptic number.
23827261668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
23827261668 is an abundant number, since it is smaller than the sum of its proper divisors (39712103004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23827261668 is a wasteful number, since it uses less digits than its factorization.
23827261668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283657891 (or 283657889 counting only the distinct ones).
The product of its digits is 2322432, while the sum is 51.
The spelling of 23827261668 in words is "twenty-three billion, eight hundred twenty-seven million, two hundred sixty-one thousand, six hundred sixty-eight".
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