Base | Representation |
---|---|
bin | 100100110000000… |
… | …0001001110011101 |
3 | 10011221100111220012 |
4 | 1021200001032131 |
5 | 10011140133042 |
6 | 322210133005 |
7 | 42362302232 |
oct | 11140011635 |
9 | 3157314805 |
10 | 1233130397 |
11 | 583085134 |
12 | 2a4b81165 |
13 | 168624275 |
14 | b9ab5789 |
15 | 733d1e82 |
hex | 4980139d |
1233130397 has 2 divisors, whose sum is σ = 1233130398. Its totient is φ = 1233130396.
The previous prime is 1233130387. The next prime is 1233130403. The reversal of 1233130397 is 7930313321.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 725709721 + 507420676 = 26939^2 + 22526^2 .
It is a cyclic number.
It is not a de Polignac number, because 1233130397 - 218 = 1232868253 is a prime.
It is a super-3 number, since 3×12331303973 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1233130337) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616565198 + 616565199.
It is an arithmetic number, because the mean of its divisors is an integer number (616565199).
Almost surely, 21233130397 is an apocalyptic number.
It is an amenable number.
1233130397 is a deficient number, since it is larger than the sum of its proper divisors (1).
1233130397 is an equidigital number, since it uses as much as digits as its factorization.
1233130397 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10206, while the sum is 32.
The square root of 1233130397 is about 35115.9564443288. The cubic root of 1233130397 is about 1072.3494526634.
The spelling of 1233130397 in words is "one billion, two hundred thirty-three million, one hundred thirty thousand, three hundred ninety-seven".
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