Base | Representation |
---|---|
bin | 101111011111110111… |
… | …1101101000001000110 |
3 | 100202021122020220020111 |
4 | 1132333233231001012 |
5 | 3132344301414342 |
6 | 114505251423234 |
7 | 10240453622254 |
oct | 1367757550106 |
9 | 322248226214 |
10 | 102001201222 |
11 | 3a293023208 |
12 | 17927bb4b1a |
13 | 98072b778b |
14 | 4d18b4d5d4 |
15 | 29bec88217 |
hex | 17bfbed046 |
102001201222 has 4 divisors (see below), whose sum is σ = 153001801836. Its totient is φ = 51000600610.
The previous prime is 102001201193. The next prime is 102001201231. The reversal of 102001201222 is 222102100201.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222102100201 = 19571 ⋅11348531.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500300304 + ... + 25500300307.
It is an arithmetic number, because the mean of its divisors is an integer number (38250450459).
Almost surely, 2102001201222 is an apocalyptic number.
102001201222 is a deficient number, since it is larger than the sum of its proper divisors (51000600614).
102001201222 is an equidigital number, since it uses as much as digits as its factorization.
102001201222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51000600613.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 102001201222 its reverse (222102100201), we get a palindrome (324103301423).
The spelling of 102001201222 in words is "one hundred two billion, one million, two hundred one thousand, two hundred twenty-two".
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