Base | Representation |
---|---|
bin | 1001001111101101000101… |
… | …01101001010111111110000 |
3 | 2122222121101002202210102100 |
4 | 10213312202231022333300 |
5 | 10131044444322244410 |
6 | 111123502315420400 |
7 | 4165565265221613 |
oct | 447664255127760 |
9 | 78877332683370 |
10 | 20330809962480 |
11 | 6529280223146 |
12 | 23442b7154700 |
13 | b46258238074 |
14 | 50403320817a |
15 | 253cb73128c0 |
hex | 127da2b4aff0 |
20330809962480 has 120 divisors (see below), whose sum is σ = 68281139401488. Its totient is φ = 5421271200768.
The previous prime is 20330809962371. The next prime is 20330809962487. The reversal of 20330809962480 is 8426990803302.
It is a happy number.
20330809962480 is a `hidden beast` number, since 2 + 0 + 3 + 3 + 0 + 8 + 0 + 9 + 9 + 624 + 8 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (120).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20330809962487) 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, 13514964 + ... + 14943756.
Almost surely, 220330809962480 is an apocalyptic number.
20330809962480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20330809962480 is an abundant number, since it is smaller than the sum of its proper divisors (47950329439008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20330809962480 is a wasteful number, since it uses less digits than its factorization.
20330809962480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1448575 (or 1448566 counting only the distinct ones).
The product of its (nonzero) digits is 4478976, while the sum is 54.
The spelling of 20330809962480 in words is "twenty trillion, three hundred thirty billion, eight hundred nine million, nine hundred sixty-two thousand, four hundred eighty".
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