Base | Representation |
---|---|
bin | 10001111001111001101… |
… | …111111100111111101101 |
3 | 11100121212220210202121211 |
4 | 101321321233330333231 |
5 | 130124331213313042 |
6 | 2341123415554421 |
7 | 154615353103123 |
oct | 21717157747755 |
9 | 4317786722554 |
10 | 1230403260397 |
11 | 4348a1622683 |
12 | 17a56368ba11 |
13 | 8c04639340c |
14 | 437a2345913 |
15 | 22013e1e017 |
hex | 11e79bfcfed |
1230403260397 has 2 divisors, whose sum is σ = 1230403260398. Its totient is φ = 1230403260396.
The previous prime is 1230403260377. The next prime is 1230403260407. The reversal of 1230403260397 is 7930623040321.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1179643620996 + 50759639401 = 1086114^2 + 225299^2 .
It is a cyclic number.
It is not a de Polignac number, because 1230403260397 - 219 = 1230402736109 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1230403260377) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615201630198 + 615201630199.
It is an arithmetic number, because the mean of its divisors is an integer number (615201630199).
Almost surely, 21230403260397 is an apocalyptic number.
It is an amenable number.
1230403260397 is a deficient number, since it is larger than the sum of its proper divisors (1).
1230403260397 is an equidigital number, since it uses as much as digits as its factorization.
1230403260397 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 163296, while the sum is 40.
The spelling of 1230403260397 in words is "one trillion, two hundred thirty billion, four hundred three million, two hundred sixty thousand, three hundred ninety-seven".
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