Base | Representation |
---|---|
bin | 1011101000001001… |
… | …1110001101100110 |
3 | 22001112002220111022 |
4 | 2322002132031212 |
5 | 22343012211324 |
6 | 1233414211142 |
7 | 140226564143 |
oct | 27202361546 |
9 | 8045086438 |
10 | 3121210214 |
11 | 1361929481 |
12 | 731353ab2 |
13 | 3a9843265 |
14 | 2187593ca |
15 | 13403805e |
hex | ba09e366 |
3121210214 has 4 divisors (see below), whose sum is σ = 4681815324. Its totient is φ = 1560605106.
The previous prime is 3121210163. The next prime is 3121210277. The reversal of 3121210214 is 4120121213.
3121210214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4120121213 = 13 ⋅316932401.
It is a junction number, because it is equal to n+sod(n) for n = 3121210192 and 3121210201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780302552 + ... + 780302555.
It is an arithmetic number, because the mean of its divisors is an integer number (1170453831).
Almost surely, 23121210214 is an apocalyptic number.
3121210214 is a deficient number, since it is larger than the sum of its proper divisors (1560605110).
3121210214 is a wasteful number, since it uses less digits than its factorization.
3121210214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1560605109.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 3121210214 is about 55867.7922778411. The cubic root of 3121210214 is about 1461.4176219546.
Adding to 3121210214 its reverse (4120121213), we get a palindrome (7241331427).
The spelling of 3121210214 in words is "three billion, one hundred twenty-one million, two hundred ten thousand, two hundred fourteen".
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