Base | Representation |
---|---|
bin | 111111001011111… |
… | …1011010000000110 |
3 | 12110202112101022012 |
4 | 1332113323100012 |
5 | 13320232414342 |
6 | 550215134222 |
7 | 103353261446 |
oct | 17627732006 |
9 | 5422471265 |
10 | 2120201222 |
11 | 998886617 |
12 | 4b2074372 |
13 | 27a341a49 |
14 | 161828126 |
15 | c6207b82 |
hex | 7e5fb406 |
2120201222 has 8 divisors (see below), whose sum is σ = 3347686200. Its totient is φ = 1004305824.
The previous prime is 2120201221. The next prime is 2120201243. The reversal of 2120201222 is 2221020212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 2120201197 and 2120201206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120201221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27897347 + ... + 27897422.
It is an arithmetic number, because the mean of its divisors is an integer number (418460775).
Almost surely, 22120201222 is an apocalyptic number.
2120201222 is a deficient number, since it is larger than the sum of its proper divisors (1227484978).
2120201222 is a wasteful number, since it uses less digits than its factorization.
2120201222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55794790.
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 2120201222 is about 46045.6428123226. The cubic root of 2120201222 is about 1284.6723004756.
Adding to 2120201222 its reverse (2221020212), we get a palindrome (4341221434).
The spelling of 2120201222 in words is "two billion, one hundred twenty million, two hundred one thousand, two hundred twenty-two".
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