Base | Representation |
---|---|
bin | 111111011100110… |
… | …1000000111111010 |
3 | 12111101011020000200 |
4 | 1332321220013322 |
5 | 13330013121040 |
6 | 551132343030 |
7 | 103521335241 |
oct | 17671500772 |
9 | 5441136020 |
10 | 2129035770 |
11 | 9a28700a4 |
12 | 4b5014a76 |
13 | 27c115ca4 |
14 | 162a87958 |
15 | c6da0630 |
hex | 7ee681fa |
2129035770 has 24 divisors (see below), whose sum is σ = 5535493236. Its totient is φ = 567742848.
The previous prime is 2129035757. The next prime is 2129035771. The reversal of 2129035770 is 775309212.
2129035770 is a `hidden beast` number, since 212 + 90 + 357 + 7 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2102130801 + 26904969 = 45849^2 + 5187^2 .
It is not an unprimeable number, because it can be changed into a prime (2129035771) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11827887 + ... + 11828066.
Almost surely, 22129035770 is an apocalyptic number.
2129035770 is an abundant number, since it is smaller than the sum of its proper divisors (3406457466).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2129035770 is a wasteful number, since it uses less digits than its factorization.
2129035770 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23655966 (or 23655963 counting only the distinct ones).
The product of its (nonzero) digits is 26460, while the sum is 36.
The square root of 2129035770 is about 46141.4755940900. The cubic root of 2129035770 is about 1286.4541709118.
The spelling of 2129035770 in words is "two billion, one hundred twenty-nine million, thirty-five thousand, seven hundred seventy".
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