Base | Representation |
---|---|
bin | 10001101001101100100… |
… | …100001110011101111010 |
3 | 11021221222012122222102212 |
4 | 101221230210032131322 |
5 | 124333212031310432 |
6 | 2325125011055122 |
7 | 153431216456201 |
oct | 21515444163572 |
9 | 4257865588385 |
10 | 1213002213242 |
11 | 428482143376 |
12 | 177107ba14a2 |
13 | 8a502282c01 |
14 | 429d12ac238 |
15 | 218464282b2 |
hex | 11a6c90e77a |
1213002213242 has 8 divisors (see below), whose sum is σ = 1819986086100. Its totient is φ = 606340184544.
The previous prime is 1213002213221. The next prime is 1213002213253. The reversal of 1213002213242 is 2423122003121.
It can be written as a sum of positive squares in 2 ways, for example, as 1133268831601 + 79733381641 = 1064551^2 + 282371^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80451617 + ... + 80466692.
Almost surely, 21213002213242 is an apocalyptic number.
1213002213242 is a deficient number, since it is larger than the sum of its proper divisors (606983872858).
1213002213242 is a wasteful number, since it uses less digits than its factorization.
1213002213242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160922080.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 1213002213242 its reverse (2423122003121), we get a palindrome (3636124216363).
The spelling of 1213002213242 in words is "one trillion, two hundred thirteen billion, two million, two hundred thirteen thousand, two hundred forty-two".
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