Base | Representation |
---|---|
bin | 100011110011000… |
… | …1110111111010010 |
3 | 10002201021112202120 |
4 | 1013212032333102 |
5 | 4430002031302 |
6 | 315105555110 |
7 | 41524034661 |
oct | 10746167722 |
9 | 3081245676 |
10 | 1201205202 |
11 | 56705a27a |
12 | 296345a96 |
13 | 161b26c12 |
14 | b5764dd8 |
15 | 706c79bc |
hex | 4798efd2 |
1201205202 has 8 divisors (see below), whose sum is σ = 2402410416. Its totient is φ = 400401732.
The previous prime is 1201205149. The next prime is 1201205209. The reversal of 1201205202 is 2025021021.
It is a sphenic number, since it is the product of 3 distinct primes.
1201205202 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (1201205209) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100100428 + ... + 100100439.
It is an arithmetic number, because the mean of its divisors is an integer number (300301302).
Almost surely, 21201205202 is an apocalyptic number.
1201205202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201205202 is a wasteful number, since it uses less digits than its factorization.
1201205202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 200200872.
The product of its (nonzero) digits is 80, while the sum is 15.
The square root of 1201205202 is about 34658.4073782971. The cubic root of 1201205202 is about 1063.0142052146.
Adding to 1201205202 its reverse (2025021021), we get a palindrome (3226226223).
It can be divided in two parts, 1201 and 205202, that added together give a triangular number (206403 = T642).
The spelling of 1201205202 in words is "one billion, two hundred one million, two hundred five thousand, two hundred two".
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