Base | Representation |
---|---|
bin | 1001010111111001101000… |
… | …01000001111110000110111 |
3 | 2200222112021011200120111020 |
4 | 10223330310020033300313 |
5 | 10200203220143133310 |
6 | 111501114412312223 |
7 | 4225125022341255 |
oct | 453746410176067 |
9 | 80875234616436 |
10 | 20612422630455 |
11 | 6627752234777 |
12 | 238a9aa772673 |
13 | b6698780bb46 |
14 | 51390a2d55d5 |
15 | 25b29a608170 |
hex | 12bf3420fc37 |
20612422630455 has 8 divisors (see below), whose sum is σ = 32979876208752. Its totient is φ = 10993292069568.
The previous prime is 20612422630441. The next prime is 20612422630511. The reversal of 20612422630455 is 55403622421602.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20612422630455 - 24 = 20612422630439 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687080754334 + ... + 687080754363.
It is an arithmetic number, because the mean of its divisors is an integer number (4122484526094).
Almost surely, 220612422630455 is an apocalyptic number.
20612422630455 is a deficient number, since it is larger than the sum of its proper divisors (12367453578297).
20612422630455 is a wasteful number, since it uses less digits than its factorization.
20612422630455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1374161508705.
The product of its (nonzero) digits is 691200, while the sum is 42.
The spelling of 20612422630455 in words is "twenty trillion, six hundred twelve billion, four hundred twenty-two million, six hundred thirty thousand, four hundred fifty-five".
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