Base | Representation |
---|---|
bin | 1001111111001100001010… |
… | …10011011100000111100000 |
3 | 2212202120210201021101012121 |
4 | 10333212011103130013200 |
5 | 10334313000442000310 |
6 | 114413220023434024 |
7 | 4424505564643420 |
oct | 477460523340740 |
9 | 85676721241177 |
10 | 21962404250080 |
11 | 6aa8226705518 |
12 | 25685648b5914 |
13 | c3407990bb28 |
14 | 55cdb3988480 |
15 | 28145c4920da |
hex | 13f9854dc1e0 |
21962404250080 has 96 divisors (see below), whose sum is σ = 59308987207680. Its totient is φ = 7528634380800.
The previous prime is 21962404250071. The next prime is 21962404250203. The reversal of 21962404250080 is 8005240426912.
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, 4605505 + ... + 8070655.
It is an arithmetic number, because the mean of its divisors is an integer number (617801950080).
Almost surely, 221962404250080 is an apocalyptic number.
21962404250080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
21962404250080 is an abundant number, since it is smaller than the sum of its proper divisors (37346582957600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21962404250080 is a wasteful number, since it uses less digits than its factorization.
21962404250080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3470832 (or 3470824 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 43.
Adding to 21962404250080 its reverse (8005240426912), we get a palindrome (29967644676992).
The spelling of 21962404250080 in words is "twenty-one trillion, nine hundred sixty-two billion, four hundred four million, two hundred fifty thousand, eighty".
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