Base | Representation |
---|---|
bin | 111100100010000… |
… | …1001011010011111 |
3 | 12020112221002221002 |
4 | 1321010021122133 |
5 | 13124432132041 |
6 | 533314100515 |
7 | 101222215412 |
oct | 17104113237 |
9 | 5215832832 |
10 | 2031130271 |
11 | 95257a265 |
12 | 48827a73b |
13 | 264a56941 |
14 | 153a7db79 |
15 | bd4b159b |
hex | 7910969f |
2031130271 has 8 divisors (see below), whose sum is σ = 2036833920. Its totient is φ = 2025435672.
The previous prime is 2031130247. The next prime is 2031130273. The reversal of 2031130271 is 1720311302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2031130271 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2031130273) 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, 755696 + ... + 758378.
It is an arithmetic number, because the mean of its divisors is an integer number (254604240).
Almost surely, 22031130271 is an apocalyptic number.
2031130271 is a deficient number, since it is larger than the sum of its proper divisors (5703649).
2031130271 is a wasteful number, since it uses less digits than its factorization.
2031130271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4525.
The product of its (nonzero) digits is 252, while the sum is 20.
The square root of 2031130271 is about 45068.0626497301. The cubic root of 2031130271 is about 1266.4243712992.
Adding to 2031130271 its reverse (1720311302), we get a palindrome (3751441573).
The spelling of 2031130271 in words is "two billion, thirty-one million, one hundred thirty thousand, two hundred seventy-one".
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