Base | Representation |
---|---|
bin | 10010101110011101110… |
… | …001100111110000111111 |
3 | 11120000120020201121200011 |
4 | 102232131301213300333 |
5 | 132040423104033401 |
6 | 2423100035244051 |
7 | 161654102445145 |
oct | 22563561476077 |
9 | 4500506647604 |
10 | 1286842252351 |
11 | 4568239a3687 |
12 | 189494a49627 |
13 | 9446c143246 |
14 | 463d7cb9595 |
15 | 23718c13451 |
hex | 12b9dc67c3f |
1286842252351 has 2 divisors, whose sum is σ = 1286842252352. Its totient is φ = 1286842252350.
The previous prime is 1286842252349. The next prime is 1286842252357. The reversal of 1286842252351 is 1532522486821.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1286842252351 - 21 = 1286842252349 is a prime.
Together with 1286842252349, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 1286842252295 and 1286842252304.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1286842252357) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643421126175 + 643421126176.
It is an arithmetic number, because the mean of its divisors is an integer number (643421126176).
Almost surely, 21286842252351 is an apocalyptic number.
1286842252351 is a deficient number, since it is larger than the sum of its proper divisors (1).
1286842252351 is an equidigital number, since it uses as much as digits as its factorization.
1286842252351 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1843200, while the sum is 49.
The spelling of 1286842252351 in words is "one trillion, two hundred eighty-six billion, eight hundred forty-two million, two hundred fifty-two thousand, three hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •