Base | Representation |
---|---|
bin | 111111101010100… |
… | …110000011100011 |
3 | 2202102212122122001 |
4 | 333222212003203 |
5 | 4141420134111 |
6 | 253553424431 |
7 | 35316650116 |
oct | 7752460343 |
9 | 2672778561 |
10 | 1068130531 |
11 | 4a8a28306 |
12 | 25986b117 |
13 | 1403a2b00 |
14 | a1c0457d |
15 | 63b8d1c1 |
hex | 3faa60e3 |
1068130531 has 6 divisors (see below), whose sum is σ = 1156614900. Its totient is φ = 985966488.
The previous prime is 1068130517. The next prime is 1068130561. The reversal of 1068130531 is 1350318601.
It is not a de Polignac number, because 1068130531 - 215 = 1068097763 is a prime.
It is a super-2 number, since 2×10681305312 = 2281805662508683922, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1068130531.
It is not an unprimeable number, because it can be changed into a prime (1068130561) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3159981 + ... + 3160318.
It is an arithmetic number, because the mean of its divisors is an integer number (192769150).
Almost surely, 21068130531 is an apocalyptic number.
1068130531 is a deficient number, since it is larger than the sum of its proper divisors (88484369).
1068130531 is an equidigital number, since it uses as much as digits as its factorization.
1068130531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6320325 (or 6320312 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 1068130531 is about 32682.2663075864. The cubic root of 1068130531 is about 1022.2131016388.
The spelling of 1068130531 in words is "one billion, sixty-eight million, one hundred thirty thousand, five hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •