Base | Representation |
---|---|
bin | 111111111101011… |
… | …1001001101101010 |
3 | 12112120100110122200 |
4 | 1333322321031222 |
5 | 13343403121010 |
6 | 552543201030 |
7 | 104116634613 |
oct | 17772711552 |
9 | 5476313580 |
10 | 2146145130 |
11 | a01496668 |
12 | 4ba8a6176 |
13 | 28282677c |
14 | 16505cc0a |
15 | c862ecc0 |
hex | 7feb936a |
2146145130 has 48 divisors (see below), whose sum is σ = 5591738880. Its totient is φ = 571099104.
The previous prime is 2146145101. The next prime is 2146145147. The reversal of 2146145130 is 315416412.
It is a happy number.
2146145130 is a `hidden beast` number, since 2 + 14 + 614 + 5 + 1 + 30 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 2146145094 and 2146145103.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18219 + ... + 68001.
It is an arithmetic number, because the mean of its divisors is an integer number (116494560).
Almost surely, 22146145130 is an apocalyptic number.
2146145130 is an abundant number, since it is smaller than the sum of its proper divisors (3445593750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2146145130 is a wasteful number, since it uses less digits than its factorization.
2146145130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50275 (or 50272 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 2146145130 is about 46326.5056959836. The cubic root of 2146145130 is about 1289.8910490281.
The spelling of 2146145130 in words is "two billion, one hundred forty-six million, one hundred forty-five thousand, one hundred thirty".
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