Base | Representation |
---|---|
bin | 10011110001011010… |
… | …001010100110100011 |
3 | 2000210120001122100220 |
4 | 103301122022212203 |
5 | 321434342144121 |
6 | 13430345214123 |
7 | 1351046224542 |
oct | 236132124643 |
9 | 60716048326 |
10 | 21230037411 |
11 | 9004891370 |
12 | 4145a91343 |
13 | 200448811b |
14 | 10557d4159 |
15 | 843c3b6c6 |
hex | 4f168a9a3 |
21230037411 has 8 divisors (see below), whose sum is σ = 30880054464. Its totient is φ = 12866689320.
The previous prime is 21230037407. The next prime is 21230037487. The reversal of 21230037411 is 11473003212.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 21230037411 - 22 = 21230037407 is a prime.
It is not an unprimeable number, because it can be changed into a prime (21230037811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321667201 + ... + 321667266.
It is an arithmetic number, because the mean of its divisors is an integer number (3860006808).
Almost surely, 221230037411 is an apocalyptic number.
21230037411 is a deficient number, since it is larger than the sum of its proper divisors (9650017053).
21230037411 is a wasteful number, since it uses less digits than its factorization.
21230037411 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 643334481.
The product of its (nonzero) digits is 1008, while the sum is 24.
The spelling of 21230037411 in words is "twenty-one billion, two hundred thirty million, thirty-seven thousand, four hundred eleven".
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