Base | Representation |
---|---|
bin | 111100100010000… |
… | …0111101010111101 |
3 | 12020112220202010201 |
4 | 1321010013222331 |
5 | 13124431420013 |
6 | 533314003501 |
7 | 101222155534 |
oct | 17104075275 |
9 | 5215822121 |
10 | 2031123133 |
11 | 952574966 |
12 | 488276591 |
13 | 264a53610 |
14 | 153a7b31b |
15 | bd4ae3dd |
hex | 79107abd |
2031123133 has 16 divisors (see below), whose sum is σ = 2216805696. Its totient is φ = 1849800960.
The previous prime is 2031123121. The next prime is 2031123139. The reversal of 2031123133 is 3313211302.
It is not a de Polignac number, because 2031123133 - 213 = 2031114941 is a prime.
It is a super-2 number, since 2×20311231332 = 8250922362815471378, which contains 22 as substring.
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 2031123133.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2031123139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330418 + ... + 336508.
It is an arithmetic number, because the mean of its divisors is an integer number (138550356).
Almost surely, 22031123133 is an apocalyptic number.
It is an amenable number.
2031123133 is a deficient number, since it is larger than the sum of its proper divisors (185682563).
2031123133 is a wasteful number, since it uses less digits than its factorization.
2031123133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6444.
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 2031123133 is about 45067.9834583266. The cubic root of 2031123133 is about 1266.4228877659.
Adding to 2031123133 its reverse (3313211302), we get a palindrome (5344334435).
The spelling of 2031123133 in words is "two billion, thirty-one million, one hundred twenty-three thousand, one hundred thirty-three".
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