Base | Representation |
---|---|
bin | 10110001100010011… |
… | …100010011000011000 |
3 | 2021111200000211221100 |
4 | 112030103202120120 |
5 | 342300131041110 |
6 | 14540301111400 |
7 | 1502333121432 |
oct | 261423423030 |
9 | 67450024840 |
10 | 23828768280 |
11 | a11879a329 |
12 | 4750258560 |
13 | 23299a54b5 |
14 | 12209c5652 |
15 | 946e6abc0 |
hex | 58c4e2618 |
23828768280 has 48 divisors (see below), whose sum is σ = 77443498080. Its totient is φ = 6354338112.
The previous prime is 23828768279. The next prime is 23828768287. The reversal of 23828768280 is 8286782832.
It is a happy number.
23828768280 is a `hidden beast` number, since 23 + 8 + 287 + 68 + 280 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23828768287) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33095152 + ... + 33095871.
It is an arithmetic number, because the mean of its divisors is an integer number (1613406210).
Almost surely, 223828768280 is an apocalyptic number.
23828768280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23828768280 is an abundant number, since it is smaller than the sum of its proper divisors (53614729800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23828768280 is a wasteful number, since it uses less digits than its factorization.
23828768280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66191040 (or 66191033 counting only the distinct ones).
The product of its (nonzero) digits is 4128768, while the sum is 54.
The spelling of 23828768280 in words is "twenty-three billion, eight hundred twenty-eight million, seven hundred sixty-eight thousand, two hundred eighty".
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