Base | Representation |
---|---|
bin | 111111100011101… |
… | …0011010001100001 |
3 | 12111121220100012012 |
4 | 1333013103101201 |
5 | 13331422323020 |
6 | 551341242305 |
7 | 103563655100 |
oct | 17707232141 |
9 | 5447810165 |
10 | 2132620385 |
11 | 9a4899295 |
12 | 4b6263395 |
13 | 27ca9c76c |
14 | 16333c037 |
15 | c735c7c5 |
hex | 7f1d3461 |
2132620385 has 24 divisors (see below), whose sum is σ = 3021419520. Its totient is φ = 1440530784.
The previous prime is 2132620381. The next prime is 2132620387. The reversal of 2132620385 is 5830262312.
It is not a de Polignac number, because 2132620385 - 22 = 2132620381 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2132620381) 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 23 ways as a sum of consecutive naturals, for example, 48545 + ... + 81374.
It is an arithmetic number, because the mean of its divisors is an integer number (125892480).
Almost surely, 22132620385 is an apocalyptic number.
It is an amenable number.
2132620385 is a deficient number, since it is larger than the sum of its proper divisors (888799135).
2132620385 is a wasteful number, since it uses less digits than its factorization.
2132620385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130005 (or 129998 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 32.
The square root of 2132620385 is about 46180.3029981398. The cubic root of 2132620385 is about 1287.1757584862.
Adding to 2132620385 its reverse (5830262312), we get a palindrome (7962882697).
The spelling of 2132620385 in words is "two billion, one hundred thirty-two million, six hundred twenty thousand, three hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •