Base | Representation |
---|---|
bin | 100100001101001… |
… | …1011100010000111 |
3 | 10010200000201010111 |
4 | 1020122123202013 |
5 | 4442002404241 |
6 | 320315133451 |
7 | 42051243505 |
oct | 11032334207 |
9 | 3120021114 |
10 | 1214888071 |
11 | 573855431 |
12 | 29aa44287 |
13 | 164907ba7 |
14 | b74c7675 |
15 | 719cbc81 |
hex | 4869b887 |
1214888071 has 2 divisors, whose sum is σ = 1214888072. Its totient is φ = 1214888070.
The previous prime is 1214888069. The next prime is 1214888107. The reversal of 1214888071 is 1708884121.
Together with next prime (1214888107) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1214888071 - 21 = 1214888069 is a prime.
Together with 1214888069, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1214888021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607444035 + 607444036.
It is an arithmetic number, because the mean of its divisors is an integer number (607444036).
Almost surely, 21214888071 is an apocalyptic number.
1214888071 is a deficient number, since it is larger than the sum of its proper divisors (1).
1214888071 is an equidigital number, since it uses as much as digits as its factorization.
1214888071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 28672, while the sum is 40.
The square root of 1214888071 is about 34855.2445264698. The cubic root of 1214888071 is about 1067.0352233029.
The spelling of 1214888071 in words is "one billion, two hundred fourteen million, eight hundred eighty-eight thousand, seventy-one".
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