Base | Representation |
---|---|
bin | 111111001011101… |
… | …1111001000011101 |
3 | 12110202022112022101 |
4 | 1332113133020131 |
5 | 13320220223140 |
6 | 550212445101 |
7 | 103352301610 |
oct | 17627371035 |
9 | 5422275271 |
10 | 2120086045 |
11 | 998808030 |
12 | 4b2019791 |
13 | 27a3014ac |
14 | 1617d8177 |
15 | c61d399a |
hex | 7e5df21d |
2120086045 has 16 divisors (see below), whose sum is σ = 3171869568. Its totient is φ = 1321611840.
The previous prime is 2120086043. The next prime is 2120086127. The reversal of 2120086045 is 5406800212.
It is not a de Polignac number, because 2120086045 - 21 = 2120086043 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120086043) 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, 2752974 + ... + 2753743.
It is an arithmetic number, because the mean of its divisors is an integer number (198241848).
Almost surely, 22120086045 is an apocalyptic number.
It is an amenable number.
2120086045 is a deficient number, since it is larger than the sum of its proper divisors (1051783523).
2120086045 is a wasteful number, since it uses less digits than its factorization.
2120086045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5506740.
The product of its (nonzero) digits is 3840, while the sum is 28.
The square root of 2120086045 is about 46044.3921123952. The cubic root of 2120086045 is about 1284.6490373722.
Adding to 2120086045 its reverse (5406800212), we get a palindrome (7526886257).
The spelling of 2120086045 in words is "two billion, one hundred twenty million, eighty-six thousand, forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •