Base | Representation |
---|---|
bin | 10110101110110101110… |
… | …010011011001101111111 |
3 | 12112100010001001200211211 |
4 | 112232311302123031333 |
5 | 201043211443220411 |
6 | 3153343541425251 |
7 | 220600602420241 |
oct | 26566562331577 |
9 | 5470101050754 |
10 | 1562123023231 |
11 | 5525467a4201 |
12 | 2128bba0b227 |
13 | b43cc962b54 |
14 | 55870080091 |
15 | 2a97b1b1221 |
hex | 16bb5c9b37f |
1562123023231 has 2 divisors, whose sum is σ = 1562123023232. Its totient is φ = 1562123023230.
The previous prime is 1562123023213. The next prime is 1562123023289. The reversal of 1562123023231 is 1323203212651.
Together with previous prime (1562123023213) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1562123023231 - 211 = 1562123021183 is a prime.
It is a super-2 number, since 2×15621230232312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1562123023193 and 1562123023202.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1562123023631) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781061511615 + 781061511616.
It is an arithmetic number, because the mean of its divisors is an integer number (781061511616).
Almost surely, 21562123023231 is an apocalyptic number.
1562123023231 is a deficient number, since it is larger than the sum of its proper divisors (1).
1562123023231 is an equidigital number, since it uses as much as digits as its factorization.
1562123023231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12960, while the sum is 31.
Adding to 1562123023231 its reverse (1323203212651), we get a palindrome (2885326235882).
The spelling of 1562123023231 in words is "one trillion, five hundred sixty-two billion, one hundred twenty-three million, twenty-three thousand, two hundred thirty-one".
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