Base | Representation |
---|---|
bin | 101010011000011… |
… | …1101100101110010 |
3 | 10200002222020201101 |
4 | 1110300331211302 |
5 | 10403030340310 |
6 | 353040555014 |
7 | 50145555220 |
oct | 12460754562 |
9 | 3602866641 |
10 | 1422121330 |
11 | 66a828893 |
12 | 338322a6a |
13 | 198825616 |
14 | d6c2db10 |
15 | 84cb443a |
hex | 54c3d972 |
1422121330 has 64 divisors (see below), whose sum is σ = 2958861312. Its totient is φ = 482065920.
The previous prime is 1422121313. The next prime is 1422121331. The reversal of 1422121330 is 331212241.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1422121298 and 1422121307.
It is not an unprimeable number, because it can be changed into a prime (1422121331) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3874807 + ... + 3875173.
It is an arithmetic number, because the mean of its divisors is an integer number (46232208).
Almost surely, 21422121330 is an apocalyptic number.
1422121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1422121330 is an abundant number, since it is smaller than the sum of its proper divisors (1536739982).
1422121330 is a wasteful number, since it uses less digits than its factorization.
1422121330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 859.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 1422121330 is about 37711.0239850365. The cubic root of 1422121330 is about 1124.5502940039.
Adding to 1422121330 its reverse (331212241), we get a palindrome (1753333571).
The spelling of 1422121330 in words is "one billion, four hundred twenty-two million, one hundred twenty-one thousand, three hundred thirty".
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