Base | Representation |
---|---|
bin | 110001001011111… |
… | …011100110110001 |
3 | 2010111210002002222 |
4 | 301023323212301 |
5 | 3142223230223 |
6 | 213515050425 |
7 | 26310115613 |
oct | 6113734661 |
9 | 2114702088 |
10 | 825211313 |
11 | 3938a0523 |
12 | 1b0440a15 |
13 | 101c6c324 |
14 | 7b84cdb3 |
15 | 4c6a70c8 |
hex | 312fb9b1 |
825211313 has 8 divisors (see below), whose sum is σ = 835021440. Its totient is φ = 815454640.
The previous prime is 825211291. The next prime is 825211337. The reversal of 825211313 is 313112528.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 825211313 - 210 = 825210289 is a prime.
It is a super-2 number, since 2×8252113132 = 1361947422206367938, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (825211393) 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 7 ways as a sum of consecutive naturals, for example, 18131 + ... + 44487.
It is an arithmetic number, because the mean of its divisors is an integer number (104377680).
Almost surely, 2825211313 is an apocalyptic number.
It is an amenable number.
825211313 is a deficient number, since it is larger than the sum of its proper divisors (9810127).
825211313 is a wasteful number, since it uses less digits than its factorization.
825211313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26727.
The product of its digits is 1440, while the sum is 26.
The square root of 825211313 is about 28726.4914843425. The cubic root of 825211313 is about 937.9687968398.
The spelling of 825211313 in words is "eight hundred twenty-five million, two hundred eleven thousand, three hundred thirteen".
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