Base | Representation |
---|---|
bin | 11010110101111010… |
… | …000100011011011000 |
3 | 2202101122010011212210 |
4 | 122311322010123120 |
5 | 433011323433420 |
6 | 21123541035120 |
7 | 2040141266523 |
oct | 326572043330 |
9 | 82348104783 |
10 | 28821702360 |
11 | 11250110630 |
12 | 57043b5aa0 |
13 | 294422bb69 |
14 | 1575b67bba |
15 | b3a4789e0 |
hex | 6b5e846d8 |
28821702360 has 64 divisors (see below), whose sum is σ = 94325575680. Its totient is φ = 6987079040.
The previous prime is 28821702341. The next prime is 28821702379. The reversal of 28821702360 is 6320712882.
It is an interprime number because it is at equal distance from previous prime (28821702341) and next prime (28821702379).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10915992 + ... + 10918631.
It is an arithmetic number, because the mean of its divisors is an integer number (1473837120).
Almost surely, 228821702360 is an apocalyptic number.
28821702360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28821702360 is an abundant number, since it is smaller than the sum of its proper divisors (65503873320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28821702360 is a wasteful number, since it uses less digits than its factorization.
28821702360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21834648 (or 21834644 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 39.
The spelling of 28821702360 in words is "twenty-eight billion, eight hundred twenty-one million, seven hundred two thousand, three hundred sixty".
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