Base | Representation |
---|---|
bin | 101001110001000… |
… | …0010000010110001 |
3 | 10121200001000210222 |
4 | 1103202002002301 |
5 | 10332231231233 |
6 | 351021302425 |
7 | 46504650212 |
oct | 12342020261 |
9 | 3550030728 |
10 | 1401430193 |
11 | 65a086279 |
12 | 331404a15 |
13 | 19445c747 |
14 | d41a5409 |
15 | 83078898 |
hex | 538820b1 |
1401430193 has 2 divisors, whose sum is σ = 1401430194. Its totient is φ = 1401430192.
The previous prime is 1401430169. The next prime is 1401430211. The reversal of 1401430193 is 3910341041.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1401229489 + 200704 = 37433^2 + 448^2 .
It is a cyclic number.
It is not a de Polignac number, because 1401430193 - 28 = 1401429937 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (1401430123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700715096 + 700715097.
It is an arithmetic number, because the mean of its divisors is an integer number (700715097).
Almost surely, 21401430193 is an apocalyptic number.
It is an amenable number.
1401430193 is a deficient number, since it is larger than the sum of its proper divisors (1).
1401430193 is an equidigital number, since it uses as much as digits as its factorization.
1401430193 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 1401430193 is about 37435.6807471161. The cubic root of 1401430193 is about 1119.0697507928.
The spelling of 1401430193 in words is "one billion, four hundred one million, four hundred thirty thousand, one hundred ninety-three".
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