Base | Representation |
---|---|
bin | 111101011101000… |
… | …000001101011011 |
3 | 2122212000220020111 |
4 | 331131000031123 |
5 | 4102414410321 |
6 | 250150105151 |
7 | 34356316264 |
oct | 7535001533 |
9 | 2585026214 |
10 | 1031013211 |
11 | 489a86538 |
12 | 24934b1b7 |
13 | 1357a83b7 |
14 | 9ad0196b |
15 | 607aa5e1 |
hex | 3d74035b |
1031013211 has 8 divisors (see below), whose sum is σ = 1042685280. Its totient is φ = 1019373312.
The previous prime is 1031013163. The next prime is 1031013241. The reversal of 1031013211 is 1123101301.
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 1031013211 - 215 = 1030980443 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1031013191 and 1031013200.
It is not an unprimeable number, because it can be changed into a prime (1031013241) 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, 59595 + ... + 74923.
It is an arithmetic number, because the mean of its divisors is an integer number (130335660).
Almost surely, 21031013211 is an apocalyptic number.
1031013211 is a deficient number, since it is larger than the sum of its proper divisors (11672069).
1031013211 is a wasteful number, since it uses less digits than its factorization.
1031013211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16085.
The product of its (nonzero) digits is 18, while the sum is 13.
The square root of 1031013211 is about 32109.3944352739. The cubic root of 1031013211 is about 1010.2326722720.
Adding to 1031013211 its reverse (1123101301), we get a palindrome (2154114512).
The spelling of 1031013211 in words is "one billion, thirty-one million, thirteen thousand, two hundred eleven".
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