Base | Representation |
---|---|
bin | 10100010101001101… |
… | …101110111001110000 |
3 | 2002100102102102002121 |
4 | 110111031232321300 |
5 | 324202133224000 |
6 | 14010124524024 |
7 | 1401662244532 |
oct | 242515567160 |
9 | 62312372077 |
10 | 21830758000 |
11 | 9292991667 |
12 | 42930b0614 |
13 | 209ba769ac |
14 | 10b14c7852 |
15 | 87b84cb1a |
hex | 51536ee70 |
21830758000 has 80 divisors (see below), whose sum is σ = 54489726720. Its totient is φ = 8450592000.
The previous prime is 21830757989. The next prime is 21830758043. The reversal of 21830758000 is 85703812.
It is a tau number, because it is divible by the number of its divisors (80).
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, 114055 + ... + 238054.
It is an arithmetic number, because the mean of its divisors is an integer number (681121584).
Almost surely, 221830758000 is an apocalyptic number.
21830758000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
21830758000 is an abundant number, since it is smaller than the sum of its proper divisors (32658968720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21830758000 is a wasteful number, since it uses less digits than its factorization.
21830758000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 352163 (or 352147 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 34.
The spelling of 21830758000 in words is "twenty-one billion, eight hundred thirty million, seven hundred fifty-eight thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •