Base | Representation |
---|---|
bin | 1011110010101110… |
… | …10110000110010101 |
3 | 121100020010201222222 |
4 | 11321113112012111 |
5 | 100431232132021 |
6 | 2524122032125 |
7 | 312614501501 |
oct | 57127260625 |
9 | 17306121888 |
10 | 6331130261 |
11 | 2759837965 |
12 | 1288348645 |
13 | 79b876131 |
14 | 440ba7301 |
15 | 270c456ab |
hex | 1795d6195 |
6331130261 has 4 divisors (see below), whose sum is σ = 6335042400. Its totient is φ = 6327218124.
The previous prime is 6331130237. The next prime is 6331130263. The reversal of 6331130261 is 1620311336.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-6331130261 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 6331130261.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6331130263) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1953641 + ... + 1956878.
It is an arithmetic number, because the mean of its divisors is an integer number (1583760600).
Almost surely, 26331130261 is an apocalyptic number.
It is an amenable number.
6331130261 is a deficient number, since it is larger than the sum of its proper divisors (3912139).
6331130261 is a wasteful number, since it uses less digits than its factorization.
6331130261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3912138.
The product of its (nonzero) digits is 1944, while the sum is 26.
The square root of 6331130261 is about 79568.3998896547. The cubic root of 6331130261 is about 1849.9518137924.
Adding to 6331130261 its reverse (1620311336), we get a palindrome (7951441597).
The spelling of 6331130261 in words is "six billion, three hundred thirty-one million, one hundred thirty thousand, two hundred sixty-one".
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