Base | Representation |
---|---|
bin | 100100100000011… |
… | …1101110111111110 |
3 | 10011101000221122122 |
4 | 1021000331313332 |
5 | 10002044141311 |
6 | 321315442542 |
7 | 42233150006 |
oct | 11100756776 |
9 | 3141027578 |
10 | 1224990206 |
11 | 579525300 |
12 | 2a22b6452 |
13 | 166a3409b |
14 | b8997006 |
15 | 728250db |
hex | 4903ddfe |
1224990206 has 12 divisors (see below), whose sum is σ = 2019715656. Its totient is φ = 556813620.
The previous prime is 1224990197. The next prime is 1224990209. The reversal of 1224990206 is 6020994221.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1224990209) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2530730 + ... + 2531213.
It is an arithmetic number, because the mean of its divisors is an integer number (168309638).
Almost surely, 21224990206 is an apocalyptic number.
1224990206 is a deficient number, since it is larger than the sum of its proper divisors (794725450).
1224990206 is a wasteful number, since it uses less digits than its factorization.
1224990206 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5061967 (or 5061956 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 35.
The square root of 1224990206 is about 34999.8600854346. The cubic root of 1224990206 is about 1069.9846290045.
The spelling of 1224990206 in words is "one billion, two hundred twenty-four million, nine hundred ninety thousand, two hundred six".
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