Base | Representation |
---|---|
bin | 111111011011001… |
… | …111010010100101 |
3 | 2202011022010210221 |
4 | 333123033102211 |
5 | 4134402331000 |
6 | 253331244341 |
7 | 35240513206 |
oct | 7733172245 |
9 | 2664263727 |
10 | 1064105125 |
11 | 4a6728a26 |
12 | 2584496b1 |
13 | 13c5c3805 |
14 | a14775ad |
15 | 6364561a |
hex | 3f6cf4a5 |
1064105125 has 8 divisors (see below), whose sum is σ = 1328003352. Its totient is φ = 851284000.
The previous prime is 1064105113. The next prime is 1064105137. The reversal of 1064105125 is 5215014601.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1064105113) and next prime (1064105137).
It can be written as a sum of positive squares in 4 ways, for example, as 3560769 + 1060544356 = 1887^2 + 32566^2 .
It is not a de Polignac number, because 1064105125 - 27 = 1064104997 is a prime.
It is a super-2 number, since 2×10641051252 = 2264639434102531250, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
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 1064105125.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4256296 + ... + 4256545.
It is an arithmetic number, because the mean of its divisors is an integer number (166000419).
Almost surely, 21064105125 is an apocalyptic number.
It is an amenable number.
1064105125 is a deficient number, since it is larger than the sum of its proper divisors (263898227).
1064105125 is an frugal number, since it uses more digits than its factorization.
1064105125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8512856 (or 8512846 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 25.
The square root of 1064105125 is about 32620.6242276263. The cubic root of 1064105125 is about 1020.9273653027.
Adding to 1064105125 its reverse (5215014601), we get a palindrome (6279119726).
The spelling of 1064105125 in words is "one billion, sixty-four million, one hundred five thousand, one hundred twenty-five".
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