Base | Representation |
---|---|
bin | 111111011100111… |
… | …1110111010111111 |
3 | 12111101022222010020 |
4 | 1332321332322333 |
5 | 13330024113101 |
6 | 551134343223 |
7 | 103522204422 |
oct | 17671767277 |
9 | 5441288106 |
10 | 2129129151 |
11 | 9a2924276 |
12 | 4b505ab13 |
13 | 27c149646 |
14 | 162aad9b9 |
15 | c6dbd136 |
hex | 7ee7eebf |
2129129151 has 16 divisors (see below), whose sum is σ = 2993548800. Its totient is φ = 1342329408.
The previous prime is 2129129087. The next prime is 2129129179. The reversal of 2129129151 is 1519219212.
It is a happy number.
It is not a de Polignac number, because 2129129151 - 26 = 2129129087 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2129129851) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391 + ... + 65256.
It is an arithmetic number, because the mean of its divisors is an integer number (187096800).
Almost surely, 22129129151 is an apocalyptic number.
2129129151 is a deficient number, since it is larger than the sum of its proper divisors (864419649).
2129129151 is a wasteful number, since it uses less digits than its factorization.
2129129151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66238.
The product of its digits is 3240, while the sum is 33.
The square root of 2129129151 is about 46142.4874817126. The cubic root of 2129129151 is about 1286.4729788972.
The spelling of 2129129151 in words is "two billion, one hundred twenty-nine million, one hundred twenty-nine thousand, one hundred fifty-one".
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