Base | Representation |
---|---|
bin | 1011110101111111100000… |
… | …1101101110100000101001 |
3 | 1201002220121012221201021210 |
4 | 2331133320031232200221 |
5 | 3201323441304101441 |
6 | 43410153142423333 |
7 | 2512552336360512 |
oct | 275377015564051 |
9 | 51086535851253 |
10 | 13022210222121 |
11 | 4170763200371 |
12 | 156395ba31b49 |
13 | 735cb2233399 |
14 | 3303c7a89a09 |
15 | 178b0e48d616 |
hex | bd7f836e829 |
13022210222121 has 16 divisors (see below), whose sum is σ = 17436223180800. Its totient is φ = 8644837989648.
The previous prime is 13022210222117. The next prime is 13022210222123. The reversal of 13022210222121 is 12122201222031.
It is not a de Polignac number, because 13022210222121 - 22 = 13022210222117 is a prime.
It is a super-2 number, since 2×130222102221212 (a number of 27 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13022210222123) 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, 20522800 + ... + 21147806.
It is an arithmetic number, because the mean of its divisors is an integer number (1089763948800).
Almost surely, 213022210222121 is an apocalyptic number.
It is an amenable number.
13022210222121 is a deficient number, since it is larger than the sum of its proper divisors (4414012958679).
13022210222121 is a wasteful number, since it uses less digits than its factorization.
13022210222121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 654308.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 13022210222121 its reverse (12122201222031), we get a palindrome (25144411444152).
The spelling of 13022210222121 in words is "thirteen trillion, twenty-two billion, two hundred ten million, two hundred twenty-two thousand, one hundred twenty-one".
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