Base | Representation |
---|---|
bin | 10001101011000010011… |
… | …001011010101000001101 |
3 | 11022002200120021220102011 |
4 | 101223002121122220031 |
5 | 124344134202020140 |
6 | 2325523531301221 |
7 | 153512003355565 |
oct | 21530231325015 |
9 | 4262616256364 |
10 | 1214442220045 |
11 | 429050a7783a |
12 | 17744a2aa811 |
13 | 8a6a16cb342 |
14 | 42aca635da5 |
15 | 218cca71cea |
hex | 11ac265aa0d |
1214442220045 has 8 divisors (see below), whose sum is σ = 1457679583224. Its totient is φ = 971321163264.
The previous prime is 1214442220027. The next prime is 1214442220049. The reversal of 1214442220045 is 5400222444121.
It can be written as a sum of positive squares in 4 ways, for example, as 775718801001 + 438723419044 = 880749^2 + 662362^2 .
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 1214442220045 - 27 = 1214442219917 is a prime.
It is a super-3 number, since 3×12144422200453 (a number of 37 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1214442219989 and 1214442220016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1214442220049) 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, 29053624 + ... + 29095393.
It is an arithmetic number, because the mean of its divisors is an integer number (182209947903).
Almost surely, 21214442220045 is an apocalyptic number.
It is an amenable number.
1214442220045 is a deficient number, since it is larger than the sum of its proper divisors (243237363179).
1214442220045 is an equidigital number, since it uses as much as digits as its factorization.
1214442220045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58153199.
The product of its (nonzero) digits is 20480, while the sum is 31.
Adding to 1214442220045 its reverse (5400222444121), we get a palindrome (6614664664166).
The spelling of 1214442220045 in words is "one trillion, two hundred fourteen billion, four hundred forty-two million, two hundred twenty thousand, forty-five".
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