Base | Representation |
---|---|
bin | 1001001100110011111010… |
… | …11011110101100000100101 |
3 | 2122122002210002011110022121 |
4 | 10212121331123311200211 |
5 | 10122432402001210341 |
6 | 111010102124025541 |
7 | 4155445651051054 |
oct | 446317533654045 |
9 | 78562702143277 |
10 | 20231400413221 |
11 | 64a00a8113468 |
12 | 2328b930922b1 |
13 | b39a74b5c87a |
14 | 4dd2c276639b |
15 | 2513e9d5b4d1 |
hex | 12667d6f5825 |
20231400413221 has 2 divisors, whose sum is σ = 20231400413222. Its totient is φ = 20231400413220.
The previous prime is 20231400413201. The next prime is 20231400413303. The reversal of 20231400413221 is 12231400413202.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 18080737101025 + 2150663312196 = 4252145^2 + 1466514^2 .
It is a cyclic number.
It is not a de Polignac number, because 20231400413221 - 215 = 20231400380453 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20231400413201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115700206610 + 10115700206611.
It is an arithmetic number, because the mean of its divisors is an integer number (10115700206611).
Almost surely, 220231400413221 is an apocalyptic number.
It is an amenable number.
20231400413221 is a deficient number, since it is larger than the sum of its proper divisors (1).
20231400413221 is an equidigital number, since it uses as much as digits as its factorization.
20231400413221 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 20231400413221 its reverse (12231400413202), we get a palindrome (32462800826423).
The spelling of 20231400413221 in words is "twenty trillion, two hundred thirty-one billion, four hundred million, four hundred thirteen thousand, two hundred twenty-one".
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