Base | Representation |
---|---|
bin | 1001010011110010101010… |
… | …01111101001011111101111 |
3 | 2200111000212012202012210112 |
4 | 10221321111033221133233 |
5 | 10140400102020020343 |
6 | 111312205414530235 |
7 | 4211666342330105 |
oct | 451712517513757 |
9 | 80430765665715 |
10 | 20471244298223 |
11 | 65828957a4144 |
12 | 236756a36697b |
13 | b56578aa0c54 |
14 | 50ab563b7c75 |
15 | 25778622b218 |
hex | 129e553e97ef |
20471244298223 has 2 divisors, whose sum is σ = 20471244298224. Its totient is φ = 20471244298222.
The previous prime is 20471244298217. The next prime is 20471244298291. The reversal of 20471244298223 is 32289244217402.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20471244298223 - 28 = 20471244297967 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20471244298423) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10235622149111 + 10235622149112.
It is an arithmetic number, because the mean of its divisors is an integer number (10235622149112).
Almost surely, 220471244298223 is an apocalyptic number.
20471244298223 is a deficient number, since it is larger than the sum of its proper divisors (1).
20471244298223 is an equidigital number, since it uses as much as digits as its factorization.
20471244298223 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3096576, while the sum is 50.
The spelling of 20471244298223 in words is "twenty trillion, four hundred seventy-one billion, two hundred forty-four million, two hundred ninety-eight thousand, two hundred twenty-three".
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