Base | Representation |
---|---|
bin | 11101111011101111110… |
… | …11101000011110001001 |
3 | 10122022202120201011100121 |
4 | 32331313323220132021 |
5 | 113322341340222323 |
6 | 2104253551503241 |
7 | 134210263562332 |
oct | 16756773503611 |
9 | 3568676634317 |
10 | 1028509304713 |
11 | 367208764550 |
12 | 1473b9827b21 |
13 | 75cac878907 |
14 | 37acc8d1289 |
15 | 1bb49582a5d |
hex | ef77ee8789 |
1028509304713 has 16 divisors (see below), whose sum is σ = 1122781968000. Its totient is φ = 934365559680.
The previous prime is 1028509304707. The next prime is 1028509304741. The reversal of 1028509304713 is 3174039058201.
It is a cyclic number.
It is not a de Polignac number, because 1028509304713 - 25 = 1028509304681 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1028509304713.
It is not an unprimeable number, because it can be changed into a prime (1028509304413) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184549395 + ... + 184554967.
It is an arithmetic number, because the mean of its divisors is an integer number (70173873000).
Almost surely, 21028509304713 is an apocalyptic number.
It is an amenable number.
1028509304713 is a deficient number, since it is larger than the sum of its proper divisors (94272663287).
1028509304713 is a wasteful number, since it uses less digits than its factorization.
1028509304713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14112.
The product of its (nonzero) digits is 181440, while the sum is 43.
The spelling of 1028509304713 in words is "one trillion, twenty-eight billion, five hundred nine million, three hundred four thousand, seven hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •