Base | Representation |
---|---|
bin | 111111001101110… |
… | …1111011010100010 |
3 | 12110211102012011122 |
4 | 1332123233122202 |
5 | 13321011420224 |
6 | 550252412242 |
7 | 103364625251 |
oct | 17633573242 |
9 | 5424365148 |
10 | 2121201314 |
11 | 9993a9a41 |
12 | 4b2477082 |
13 | 27a60200b |
14 | 161a08798 |
15 | c635415e |
hex | 7e6ef6a2 |
2121201314 has 8 divisors (see below), whose sum is σ = 3182265900. Its totient is φ = 1060446016.
The previous prime is 2121201311. The next prime is 2121201323. The reversal of 2121201314 is 4131021212.
It can be written as a sum of positive squares in 2 ways, for example, as 1350195025 + 771006289 = 36745^2 + 27767^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2121201292 and 2121201301.
It is not an unprimeable number, because it can be changed into a prime (2121201311) 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, 59339 + ... + 88110.
Almost surely, 22121201314 is an apocalyptic number.
2121201314 is a deficient number, since it is larger than the sum of its proper divisors (1061064586).
2121201314 is a wasteful number, since it uses less digits than its factorization.
2121201314 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154644.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 2121201314 is about 46056.5013217461. The cubic root of 2121201314 is about 1284.8742606354.
Adding to 2121201314 its reverse (4131021212), we get a palindrome (6252222526).
The spelling of 2121201314 in words is "two billion, one hundred twenty-one million, two hundred one thousand, three hundred fourteen".
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