Base | Representation |
---|---|
bin | 111111010001101… |
… | …1001110111100110 |
3 | 12110222012020212100 |
4 | 1332203121313212 |
5 | 13322020211324 |
6 | 550403432530 |
7 | 103420663146 |
oct | 17643316746 |
9 | 5428166770 |
10 | 2123210214 |
11 | 99a551294 |
12 | 4b3085746 |
13 | 27ab56508 |
14 | 161dac926 |
15 | c65ee4c9 |
hex | 7e8d9de6 |
2123210214 has 24 divisors (see below), whose sum is σ = 4842410040. Its totient is φ = 670487328.
The previous prime is 2123210213. The next prime is 2123210227. The reversal of 2123210214 is 4120123212.
It is a happy number.
It is a super-2 number, since 2×21232102142 = 9016043225667851592, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2123210213) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3103767 + ... + 3104450.
It is an arithmetic number, because the mean of its divisors is an integer number (201767085).
Almost surely, 22123210214 is an apocalyptic number.
2123210214 is an abundant number, since it is smaller than the sum of its proper divisors (2719199826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2123210214 is a wasteful number, since it uses less digits than its factorization.
2123210214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6208244 (or 6208241 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 2123210214 is about 46078.3052422721. The cubic root of 2123210214 is about 1285.2797493350.
Adding to 2123210214 its reverse (4120123212), we get a palindrome (6243333426).
The spelling of 2123210214 in words is "two billion, one hundred twenty-three million, two hundred ten thousand, two hundred fourteen".
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