Base | Representation |
---|---|
bin | 1001001111001011001101… |
… | …11000111011101011011001 |
3 | 2122220212102212110101121111 |
4 | 10213211212320323223121 |
5 | 10130300224343341241 |
6 | 111111254121540321 |
7 | 4164352551551020 |
oct | 447454670735331 |
9 | 78825385411544 |
10 | 20312626543321 |
11 | 652159a153202 |
12 | 23408816446a1 |
13 | b4461b007548 |
14 | 5031ca2b38b7 |
15 | 2535a0cc7c81 |
hex | 127966e3bad9 |
20312626543321 has 8 divisors (see below), whose sum is σ = 23607895256640. Its totient is φ = 17115724060368.
The previous prime is 20312626543301. The next prime is 20312626543381. The reversal of 20312626543321 is 12334562621302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20312626543321 - 29 = 20312626542809 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20312626543301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24591557146 + ... + 24591557971.
It is an arithmetic number, because the mean of its divisors is an integer number (2950986907080).
Almost surely, 220312626543321 is an apocalyptic number.
It is an amenable number.
20312626543321 is a deficient number, since it is larger than the sum of its proper divisors (3295268713319).
20312626543321 is an equidigital number, since it uses as much as digits as its factorization.
20312626543321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49183115183.
The product of its (nonzero) digits is 311040, while the sum is 40.
The spelling of 20312626543321 in words is "twenty trillion, three hundred twelve billion, six hundred twenty-six million, five hundred forty-three thousand, three hundred twenty-one".
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