Base | Representation |
---|---|
bin | 1101111000101111001011… |
… | …1110000101100011011011 |
3 | 2000001122101100201201210021 |
4 | 3132023302332011203123 |
5 | 4000124130333210211 |
6 | 52250111313331311 |
7 | 3134050640523256 |
oct | 336136276054333 |
9 | 60048340651707 |
10 | 15268390131931 |
11 | 4957319202072 |
12 | 1867148b66b37 |
13 | 869a592a6a31 |
14 | 3aadcb86a09d |
15 | 1b7274beb771 |
hex | de2f2f858db |
15268390131931 has 2 divisors, whose sum is σ = 15268390131932. Its totient is φ = 15268390131930.
The previous prime is 15268390131889. The next prime is 15268390132003. The reversal of 15268390131931 is 13913109386251.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 15268390131931 - 215 = 15268390099163 is a prime.
It is a super-2 number, since 2×152683901319312 (a number of 27 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (15268390141931) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7634195065965 + 7634195065966.
It is an arithmetic number, because the mean of its divisors is an integer number (7634195065966).
Almost surely, 215268390131931 is an apocalyptic number.
15268390131931 is a deficient number, since it is larger than the sum of its proper divisors (1).
15268390131931 is an equidigital number, since it uses as much as digits as its factorization.
15268390131931 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1049760, while the sum is 52.
The spelling of 15268390131931 in words is "fifteen trillion, two hundred sixty-eight billion, three hundred ninety million, one hundred thirty-one thousand, nine hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •