Base | Representation |
---|---|
bin | 11011110111011000101… |
… | …000101010010000011001 |
3 | 20210001200022202002211111 |
4 | 123313120220222100121 |
5 | 222333201103443332 |
6 | 4023405101100321 |
7 | 255226611543355 |
oct | 33673050522031 |
9 | 6701608662744 |
10 | 1914894984217 |
11 | 67911432a8a6 |
12 | 26b1525576a1 |
13 | 10b75c8c2177 |
14 | 68977b18465 |
15 | 34c26761947 |
hex | 1bdd8a2a419 |
1914894984217 has 8 divisors (see below), whose sum is σ = 1935000415296. Its totient is φ = 1894818672912.
The previous prime is 1914894984139. The next prime is 1914894984229. The reversal of 1914894984217 is 7124894984191.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1914894984217 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1914894984017) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7147723 + ... + 7410784.
It is an arithmetic number, because the mean of its divisors is an integer number (241875051912).
Almost surely, 21914894984217 is an apocalyptic number.
It is an amenable number.
1914894984217 is a deficient number, since it is larger than the sum of its proper divisors (20105431079).
1914894984217 is a wasteful number, since it uses less digits than its factorization.
1914894984217 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14559887.
The product of its digits is 41803776, while the sum is 67.
The spelling of 1914894984217 in words is "one trillion, nine hundred fourteen billion, eight hundred ninety-four million, nine hundred eighty-four thousand, two hundred seventeen".
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