Base | Representation |
---|---|
bin | 101010011000011… |
… | …1000011011110100 |
3 | 10200002221011202020 |
4 | 1110300320123310 |
5 | 10403024201322 |
6 | 353040313140 |
7 | 50145436521 |
oct | 12460703364 |
9 | 3602834666 |
10 | 1422100212 |
11 | 66a813a35 |
12 | 3383127b0 |
13 | 198818b20 |
14 | d6c26148 |
15 | 84cad05c |
hex | 54c386f4 |
1422100212 has 48 divisors (see below), whose sum is σ = 3728860800. Its totient is φ = 418543488.
The previous prime is 1422100193. The next prime is 1422100247. The reversal of 1422100212 is 2120012241.
It is a junction number, because it is equal to n+sod(n) for n = 1422100191 and 1422100200.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194587 + ... + 201762.
It is an arithmetic number, because the mean of its divisors is an integer number (77684600).
Almost surely, 21422100212 is an apocalyptic number.
1422100212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1422100212 is an abundant number, since it is smaller than the sum of its proper divisors (2306760588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1422100212 is a wasteful number, since it uses less digits than its factorization.
1422100212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 396392 (or 396390 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 1422100212 is about 37710.7439862965. The cubic root of 1422100212 is about 1124.5447275847.
Adding to 1422100212 its reverse (2120012241), we get a palindrome (3542112453).
The spelling of 1422100212 in words is "one billion, four hundred twenty-two million, one hundred thousand, two hundred twelve".
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