Base | Representation |
---|---|
bin | 110111101011000… |
… | …0001001101001101 |
3 | 11211012001102100221 |
4 | 1233112001031031 |
5 | 12311204334320 |
6 | 505210351341 |
7 | 64202050516 |
oct | 15726011515 |
9 | 4735042327 |
10 | 1868043085 |
11 | 879509467 |
12 | 44172b551 |
13 | 23a024c4c |
14 | 13a149a0d |
15 | adee93aa |
hex | 6f58134d |
1868043085 has 8 divisors (see below), whose sum is σ = 2270027520. Its totient is φ = 1475517264.
The previous prime is 1868043071. The next prime is 1868043131. The reversal of 1868043085 is 5803408681.
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 1868043085 - 211 = 1868041037 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2364217 + ... + 2365006.
It is an arithmetic number, because the mean of its divisors is an integer number (283753440).
Almost surely, 21868043085 is an apocalyptic number.
It is an amenable number.
1868043085 is a deficient number, since it is larger than the sum of its proper divisors (401984435).
1868043085 is an equidigital number, since it uses as much as digits as its factorization.
1868043085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4729307.
The product of its (nonzero) digits is 184320, while the sum is 43.
The square root of 1868043085 is about 43220.8640010817. The cubic root of 1868043085 is about 1231.5790601499.
The spelling of 1868043085 in words is "one billion, eight hundred sixty-eight million, forty-three thousand, eighty-five".
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