Base | Representation |
---|---|
bin | 111101011101110… |
… | …101110111110101 |
3 | 2122212110001202022 |
4 | 331131311313311 |
5 | 4102443424023 |
6 | 250154522525 |
7 | 34361223146 |
oct | 7535656765 |
9 | 2585401668 |
10 | 1031233013 |
11 | 48a116698 |
12 | 249436445 |
13 | 135854465 |
14 | 9ad5bacd |
15 | 608007c8 |
hex | 3d775df5 |
1031233013 has 8 divisors (see below), whose sum is σ = 1042099968. Its totient is φ = 1020382704.
The previous prime is 1031233003. The next prime is 1031233019. The reversal of 1031233013 is 3103321301.
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 1031233013 - 28 = 1031232757 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1031232982 and 1031233000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031233019) 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, 149795 + ... + 156527.
It is an arithmetic number, because the mean of its divisors is an integer number (130262496).
Almost surely, 21031233013 is an apocalyptic number.
It is an amenable number.
1031233013 is a deficient number, since it is larger than the sum of its proper divisors (10866955).
1031233013 is a wasteful number, since it uses less digits than its factorization.
1031233013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8323.
The product of its (nonzero) digits is 162, while the sum is 17.
The square root of 1031233013 is about 32112.8169583423. The cubic root of 1031233013 is about 1010.3044577680.
Adding to 1031233013 its reverse (3103321301), we get a palindrome (4134554314).
The spelling of 1031233013 in words is "one billion, thirty-one million, two hundred thirty-three thousand, thirteen".
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