Base | Representation |
---|---|
bin | 111111001100010… |
… | …1000001010111100 |
3 | 12110202212201200122 |
4 | 1332120220022330 |
5 | 13320304311322 |
6 | 550223114112 |
7 | 103354656041 |
oct | 17630501274 |
9 | 5422781618 |
10 | 2120385212 |
11 | 9989a1880 |
12 | 4b2142938 |
13 | 27a3a770a |
14 | 1618751c8 |
15 | c6242442 |
hex | 7e6282bc |
2120385212 has 24 divisors (see below), whose sum is σ = 4142151552. Its totient is φ = 941396400.
The previous prime is 2120385187. The next prime is 2120385227. The reversal of 2120385212 is 2125830212.
It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558464 + ... + 562247.
It is an arithmetic number, because the mean of its divisors is an integer number (172589648).
Almost surely, 22120385212 is an apocalyptic number.
2120385212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2120385212 is a deficient number, since it is larger than the sum of its proper divisors (2021766340).
2120385212 is a wasteful number, since it uses less digits than its factorization.
2120385212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1120769 (or 1120767 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 26.
The square root of 2120385212 is about 46047.6406778892. The cubic root of 2120385212 is about 1284.7094604736.
The spelling of 2120385212 in words is "two billion, one hundred twenty million, three hundred eighty-five thousand, two hundred twelve".
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