Base | Representation |
---|---|
bin | 1011100111000000… |
… | …0011101100000101 |
3 | 22001012000122202220 |
4 | 2321300003230011 |
5 | 22340243223411 |
6 | 1233122522553 |
7 | 140140550445 |
oct | 27160035405 |
9 | 8035018686 |
10 | 3116382981 |
11 | 135a131728 |
12 | 72b806459 |
13 | 3a8842cca |
14 | 217c60125 |
15 | 1338d2b06 |
hex | b9c03b05 |
3116382981 has 8 divisors (see below), whose sum is σ = 4256523264. Its totient is φ = 2026915680.
The previous prime is 3116382967. The next prime is 3116383003. The reversal of 3116382981 is 1892836113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3116382981 - 26 = 3116382917 is a prime.
It is a super-2 number, since 2×31163829812 = 19423685768532892722, which contains 22 as substring.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3116332981) 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, 12668101 + ... + 12668346.
It is an arithmetic number, because the mean of its divisors is an integer number (532065408).
Almost surely, 23116382981 is an apocalyptic number.
It is an amenable number.
3116382981 is a deficient number, since it is larger than the sum of its proper divisors (1140140283).
3116382981 is a wasteful number, since it uses less digits than its factorization.
3116382981 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25336491.
The product of its digits is 62208, while the sum is 42.
The square root of 3116382981 is about 55824.5732719920. The cubic root of 3116382981 is about 1460.6638285138.
The spelling of 3116382981 in words is "three billion, one hundred sixteen million, three hundred eighty-two thousand, nine hundred eighty-one".
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