Base | Representation |
---|---|
bin | 1011110101111011110101… |
… | …0000111010100100101110 |
3 | 1201002211001021221022001011 |
4 | 2331132331100322210232 |
5 | 3201314430111432342 |
6 | 43405511052335434 |
7 | 2512516000010542 |
oct | 275367520724456 |
9 | 51084037838034 |
10 | 13021221202222 |
11 | 41702a59a7052 |
12 | 156372477457a |
13 | 735b8536bbcc |
14 | 330332599a22 |
15 | 178aa272a717 |
hex | bd7bd43a92e |
13021221202222 has 16 divisors (see below), whose sum is σ = 20746835828352. Its totient is φ = 6108056398080.
The previous prime is 13021221202201. The next prime is 13021221202259. The reversal of 13021221202222 is 22220212212031.
It is a happy number.
It is a super-3 number, since 3×130212212022223 (a number of 40 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13021221202193 and 13021221202202.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611773854 + ... + 611795137.
It is an arithmetic number, because the mean of its divisors is an integer number (1296677239272).
Almost surely, 213021221202222 is an apocalyptic number.
13021221202222 is a deficient number, since it is larger than the sum of its proper divisors (7725614626130).
13021221202222 is a wasteful number, since it uses less digits than its factorization.
13021221202222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1223569323.
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 13021221202222 its reverse (22220212212031), we get a palindrome (35241433414253).
The spelling of 13021221202222 in words is "thirteen trillion, twenty-one billion, two hundred twenty-one million, two hundred two thousand, two hundred twenty-two".
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