Base | Representation |
---|---|
bin | 1100101010110110… |
… | …00011010000110011 |
3 | 122120000220110220221 |
4 | 12111123003100303 |
5 | 102412234114411 |
6 | 3042535313511 |
7 | 330361613335 |
oct | 62533032063 |
9 | 18500813827 |
10 | 6801863731 |
11 | 2980524993 |
12 | 1399b1b897 |
13 | 845252050 |
14 | 487501455 |
15 | 29c22c071 |
hex | 1956c3433 |
6801863731 has 8 divisors (see below), whose sum is σ = 7359803024. Its totient is φ = 6248884320.
The previous prime is 6801863723. The next prime is 6801863749. The reversal of 6801863731 is 1373681086.
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 6801863731 - 23 = 6801863723 is a prime.
It is a super-2 number, since 2×68018637312 = 92530700430186480722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6801863231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237116 + ... + 1242601.
It is an arithmetic number, because the mean of its divisors is an integer number (919975378).
Almost surely, 26801863731 is an apocalyptic number.
6801863731 is a deficient number, since it is larger than the sum of its proper divisors (557939293).
6801863731 is a wasteful number, since it uses less digits than its factorization.
6801863731 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2479941.
The product of its (nonzero) digits is 145152, while the sum is 43.
The square root of 6801863731 is about 82473.4122672271. The cubic root of 6801863731 is about 1894.7095422064.
The spelling of 6801863731 in words is "six billion, eight hundred one million, eight hundred sixty-three thousand, seven hundred thirty-one".
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