Base | Representation |
---|---|
bin | 10001011111101000110… |
… | …000111100101001100111 |
3 | 11020221002110022120012220 |
4 | 101133220300330221213 |
5 | 124144101430133111 |
6 | 2320141124043423 |
7 | 152566443033663 |
oct | 21375060745147 |
9 | 4227073276186 |
10 | 1202201021031 |
11 | 42393a15383a |
12 | 174bb2833573 |
13 | 894a05b600a |
14 | 4228898d8a3 |
15 | 21413059e06 |
hex | 117e8c3ca67 |
1202201021031 has 16 divisors (see below), whose sum is σ = 1692622416000. Its totient is φ = 756889623648.
The previous prime is 1202201021011. The next prime is 1202201021041. The reversal of 1202201021031 is 1301201022021.
It is not a de Polignac number, because 1202201021031 - 214 = 1202201004647 is a prime.
It is a super-2 number, since 2×12022010210312 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1202201021031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1202201021011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33248881 + ... + 33285018.
It is an arithmetic number, because the mean of its divisors is an integer number (105788901000).
Almost surely, 21202201021031 is an apocalyptic number.
1202201021031 is a deficient number, since it is larger than the sum of its proper divisors (490421394969).
1202201021031 is a wasteful number, since it uses less digits than its factorization.
1202201021031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66534238.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 1202201021031 its reverse (1301201022021), we get a palindrome (2503402043052).
The spelling of 1202201021031 in words is "one trillion, two hundred two billion, two hundred one million, twenty-one thousand, thirty-one".
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