Base | Representation |
---|---|
bin | 111111001111101… |
… | …0010001110001000 |
3 | 12110220011101111222 |
4 | 1332133102032020 |
5 | 13321231132222 |
6 | 550324341212 |
7 | 103405544561 |
oct | 17637221610 |
9 | 5426141458 |
10 | 2122130312 |
11 | 999983a05 |
12 | 4b2844808 |
13 | 27a868b13 |
14 | 161bab168 |
15 | c6489542 |
hex | 7e7d2388 |
2122130312 has 16 divisors (see below), whose sum is σ = 3979568400. Its totient is φ = 1060912080.
The previous prime is 2122130299. The next prime is 2122130317. The reversal of 2122130312 is 2130312212.
It is a super-2 number, since 2×21221303122 = 9006874122218434688, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2122130317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58139 + ... + 87317.
It is an arithmetic number, because the mean of its divisors is an integer number (248723025).
Almost surely, 22122130312 is an apocalyptic number.
It is an amenable number.
2122130312 is a deficient number, since it is larger than the sum of its proper divisors (1857438088).
2122130312 is a wasteful number, since it uses less digits than its factorization.
2122130312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38276 (or 38272 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 2122130312 is about 46066.5856342751. The cubic root of 2122130312 is about 1285.0618070974.
Adding to 2122130312 its reverse (2130312212), we get a palindrome (4252442524).
The spelling of 2122130312 in words is "two billion, one hundred twenty-two million, one hundred thirty thousand, three hundred twelve".
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