Base | Representation |
---|---|
bin | 111100100110111… |
… | …011101100010011 |
3 | 2121212100202210011 |
4 | 330212323230103 |
5 | 4040302321211 |
6 | 244522215351 |
7 | 34124662663 |
oct | 7446735423 |
9 | 2555322704 |
10 | 1016838931 |
11 | 481a85159 |
12 | 244654557 |
13 | 132884854 |
14 | 990921a3 |
15 | 5e40a921 |
hex | 3c9bbb13 |
1016838931 has 8 divisors (see below), whose sum is σ = 1040973824. Its totient is φ = 992726280.
The previous prime is 1016838929. The next prime is 1016838961. The reversal of 1016838931 is 1398386101.
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 1016838931 - 21 = 1016838929 is a prime.
It is a super-2 number, since 2×10168389312 = 2067922823194445522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1016838961) 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, 120046 + ... + 128236.
It is an arithmetic number, because the mean of its divisors is an integer number (130121728).
Almost surely, 21016838931 is an apocalyptic number.
1016838931 is a deficient number, since it is larger than the sum of its proper divisors (24134893).
1016838931 is an equidigital number, since it uses as much as digits as its factorization.
1016838931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11121.
The product of its (nonzero) digits is 31104, while the sum is 40.
The square root of 1016838931 is about 31887.9119887145. The cubic root of 1016838931 is about 1005.5817629537.
The spelling of 1016838931 in words is "one billion, sixteen million, eight hundred thirty-eight thousand, nine hundred thirty-one".
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