Base | Representation |
---|---|
bin | 10100010101000011… |
… | …010000001011111110 |
3 | 2002100020020211120121 |
4 | 110111003100023332 |
5 | 324200432321000 |
6 | 14005550005154 |
7 | 1401630013210 |
oct | 242503201376 |
9 | 62306224517 |
10 | 21828010750 |
11 | 9291385607 |
12 | 42921a67ba |
13 | 209b3243c0 |
14 | 10b0db05b0 |
15 | 87b4a8b1a |
hex | 5150d02fe |
21828010750 has 64 divisors (see below), whose sum is σ = 50291789184. Its totient is φ = 6908198400.
The previous prime is 21828010709. The next prime is 21828010759. The reversal of 21828010750 is 5701082812.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21828010759) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456987 + ... + 502486.
It is an arithmetic number, because the mean of its divisors is an integer number (785809206).
Almost surely, 221828010750 is an apocalyptic number.
21828010750 is an abundant number, since it is smaller than the sum of its proper divisors (28463778434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21828010750 is a wasteful number, since it uses less digits than its factorization.
21828010750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 959510 (or 959500 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 34.
The spelling of 21828010750 in words is "twenty-one billion, eight hundred twenty-eight million, ten thousand, seven hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •