Base | Representation |
---|---|
bin | 10011110101100101… |
… | …111110010000000101 |
3 | 2000222110011101011010 |
4 | 103311211332100011 |
5 | 322110330211123 |
6 | 13441334032433 |
7 | 1352561031123 |
oct | 236545762005 |
9 | 60873141133 |
10 | 21300241413 |
11 | 9040481700 |
12 | 41654a8719 |
13 | 2015b98759 |
14 | 1060c6a913 |
15 | 849ea7993 |
hex | 4f597e405 |
21300241413 has 24 divisors (see below), whose sum is σ = 31260209344. Its totient is φ = 12891320640.
The previous prime is 21300241381. The next prime is 21300241427. The reversal of 21300241413 is 31414200312.
It is not a de Polignac number, because 21300241413 - 25 = 21300241381 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 21300241413.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21300241463) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223545 + ... + 304257.
Almost surely, 221300241413 is an apocalyptic number.
It is an amenable number.
21300241413 is a deficient number, since it is larger than the sum of its proper divisors (9959967931).
21300241413 is a wasteful number, since it uses less digits than its factorization.
21300241413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81465 (or 81454 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 21300241413 its reverse (31414200312), we get a palindrome (52714441725).
The spelling of 21300241413 in words is "twenty-one billion, three hundred million, two hundred forty-one thousand, four hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •