Base | Representation |
---|---|
bin | 10011101000011010… |
… | …111010001011100110 |
3 | 2000102001022012120110 |
4 | 103220122322023212 |
5 | 321132241043400 |
6 | 13403401113450 |
7 | 1344235363323 |
oct | 235032721346 |
9 | 60361265513 |
10 | 21079237350 |
11 | 8a37753016 |
12 | 4103488886 |
13 | 1cac169012 |
14 | 103d77bb4a |
15 | 83589ee50 |
hex | 4e86ba2e6 |
21079237350 has 24 divisors (see below), whose sum is σ = 52276509000. Its totient is φ = 5621129920.
The previous prime is 21079237339. The next prime is 21079237373. The reversal of 21079237350 is 5373297012.
21079237350 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 21079237299 and 21079237308.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70263975 + ... + 70264274.
It is an arithmetic number, because the mean of its divisors is an integer number (2178187875).
Almost surely, 221079237350 is an apocalyptic number.
21079237350 is an abundant number, since it is smaller than the sum of its proper divisors (31197271650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21079237350 is a wasteful number, since it uses less digits than its factorization.
21079237350 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140528264 (or 140528259 counting only the distinct ones).
The product of its (nonzero) digits is 79380, while the sum is 39.
The spelling of 21079237350 in words is "twenty-one billion, seventy-nine million, two hundred thirty-seven thousand, three hundred fifty".
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