Base | Representation |
---|---|
bin | 111100100111010… |
… | …010001001110011 |
3 | 2121212112102222120 |
4 | 330213102021303 |
5 | 4040313242211 |
6 | 244524205323 |
7 | 34125525132 |
oct | 7447221163 |
9 | 2555472876 |
10 | 1016930931 |
11 | 482038295 |
12 | 244699843 |
13 | 1328b76a3 |
14 | 990b7919 |
15 | 5e427d06 |
hex | 3c9d2273 |
1016930931 has 4 divisors (see below), whose sum is σ = 1355907912. Its totient is φ = 677953952.
The previous prime is 1016930921. The next prime is 1016930933. The reversal of 1016930931 is 1390396101.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1016930931 - 26 = 1016930867 is a prime.
It is a super-2 number, since 2×10169309312 = 2068297036849053522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1016930892 and 1016930901.
It is not an unprimeable number, because it can be changed into a prime (1016930933) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169488486 + ... + 169488491.
It is an arithmetic number, because the mean of its divisors is an integer number (338976978).
Almost surely, 21016930931 is an apocalyptic number.
1016930931 is a deficient number, since it is larger than the sum of its proper divisors (338976981).
1016930931 is an equidigital number, since it uses as much as digits as its factorization.
1016930931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 338976980.
The product of its (nonzero) digits is 4374, while the sum is 33.
The square root of 1016930931 is about 31889.3545089894. The cubic root of 1016930931 is about 1005.6120892028.
The spelling of 1016930931 in words is "one billion, sixteen million, nine hundred thirty thousand, nine hundred thirty-one".
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