Base | Representation |
---|---|
bin | 111101100000101… |
… | …100000000011111 |
3 | 2122220211222002220 |
4 | 331200230000133 |
5 | 4103141312124 |
6 | 250222520423 |
7 | 34400451150 |
oct | 7540540037 |
9 | 2586758086 |
10 | 1031979039 |
11 | 48a586143 |
12 | 249736113 |
13 | 135a55bb0 |
14 | 9b0b3927 |
15 | 608eb879 |
hex | 3d82c01f |
1031979039 has 16 divisors (see below), whose sum is σ = 1693504512. Its totient is φ = 544340448.
The previous prime is 1031979037. The next prime is 1031979043. The reversal of 1031979039 is 9309791301.
It is not a de Polignac number, because 1031979039 - 21 = 1031979037 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031979031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1889799 + ... + 1890344.
It is an arithmetic number, because the mean of its divisors is an integer number (105844032).
Almost surely, 21031979039 is an apocalyptic number.
1031979039 is a deficient number, since it is larger than the sum of its proper divisors (661525473).
1031979039 is a wasteful number, since it uses less digits than its factorization.
1031979039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3780166.
The product of its (nonzero) digits is 45927, while the sum is 42.
The square root of 1031979039 is about 32124.4305630466. The cubic root of 1031979039 is about 1010.5480275864.
The spelling of 1031979039 in words is "one billion, thirty-one million, nine hundred seventy-nine thousand, thirty-nine".
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