Base | Representation |
---|---|
bin | 10001101011000010011… |
… | …101010100111011111001 |
3 | 11022002200122012222210202 |
4 | 101223002131110323321 |
5 | 124344134432322210 |
6 | 2325524005251545 |
7 | 153512015155643 |
oct | 21530235247371 |
9 | 4262618188722 |
10 | 1214443245305 |
11 | 429051608064 |
12 | 17744a703bb5 |
13 | 8a6a1999bc4 |
14 | 42aca821893 |
15 | 218ccbc59a5 |
hex | 11ac2754ef9 |
1214443245305 has 8 divisors (see below), whose sum is σ = 1458211404552. Its totient is φ = 970968256128.
The previous prime is 1214443245289. The next prime is 1214443245413. The reversal of 1214443245305 is 5035423444121.
It can be written as a sum of positive squares in 4 ways, for example, as 5171335744 + 1209271909561 = 71912^2 + 1099669^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1214443245305 - 24 = 1214443245289 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73283402 + ... + 73299971.
It is an arithmetic number, because the mean of its divisors is an integer number (182276425569).
Almost surely, 21214443245305 is an apocalyptic number.
It is an amenable number.
1214443245305 is a deficient number, since it is larger than the sum of its proper divisors (243768159247).
1214443245305 is a wasteful number, since it uses less digits than its factorization.
1214443245305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146585035.
The product of its (nonzero) digits is 230400, while the sum is 38.
Adding to 1214443245305 its reverse (5035423444121), we get a palindrome (6249866689426).
The spelling of 1214443245305 in words is "one trillion, two hundred fourteen billion, four hundred forty-three million, two hundred forty-five thousand, three hundred five".
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