Base | Representation |
---|---|
bin | 10001100001101101101… |
… | …011101100000100000101 |
3 | 11021010211212102211212202 |
4 | 101201231223230010011 |
5 | 124213133314341401 |
6 | 2321150304324245 |
7 | 153005631453452 |
oct | 21415553540405 |
9 | 4233755384782 |
10 | 1204431012101 |
11 | 4248839a8069 |
12 | 175515613685 |
13 | 897675b8565 |
14 | 4241abd6829 |
15 | 214e3bed06b |
hex | 1186daec105 |
1204431012101 has 2 divisors, whose sum is σ = 1204431012102. Its totient is φ = 1204431012100.
The previous prime is 1204431012077. The next prime is 1204431012149. The reversal of 1204431012101 is 1012101344021.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 996704719201 + 207726292900 = 998351^2 + 455770^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1204431012101 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1204431012401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602215506050 + 602215506051.
It is an arithmetic number, because the mean of its divisors is an integer number (602215506051).
Almost surely, 21204431012101 is an apocalyptic number.
It is an amenable number.
1204431012101 is a deficient number, since it is larger than the sum of its proper divisors (1).
1204431012101 is an equidigital number, since it uses as much as digits as its factorization.
1204431012101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 1204431012101 its reverse (1012101344021), we get a palindrome (2216532356122).
The spelling of 1204431012101 in words is "one trillion, two hundred four billion, four hundred thirty-one million, twelve thousand, one hundred one".
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