Base | Representation |
---|---|
bin | 1011110000111011100… |
… | …0011010001011001101 |
3 | 201022200121111212120102 |
4 | 2330032320122023031 |
5 | 11302411430144323 |
6 | 232503253500445 |
7 | 20413360161260 |
oct | 2741670321315 |
9 | 638617455512 |
10 | 202113131213 |
11 | 78796658a34 |
12 | 33207341725 |
13 | 160a0056b86 |
14 | 9ad49c8cd7 |
15 | 53cdc32328 |
hex | 2f0ee1a2cd |
202113131213 has 8 divisors (see below), whose sum is σ = 231029104320. Its totient is φ = 173207825280.
The previous prime is 202113131167. The next prime is 202113131219. The reversal of 202113131213 is 312131311202.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 202113131213 - 28 = 202113130957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202113131219) 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, 2626148 + ... + 2702013.
It is an arithmetic number, because the mean of its divisors is an integer number (28878638040).
Almost surely, 2202113131213 is an apocalyptic number.
It is an amenable number.
202113131213 is a deficient number, since it is larger than the sum of its proper divisors (28915973107).
202113131213 is an equidigital number, since it uses as much as digits as its factorization.
202113131213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5333587.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 202113131213 its reverse (312131311202), we get a palindrome (514244442415).
The spelling of 202113131213 in words is "two hundred two billion, one hundred thirteen million, one hundred thirty-one thousand, two hundred thirteen".
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