Base | Representation |
---|---|
bin | 101111011111110111… |
… | …1101101000001000111 |
3 | 100202021122020220020112 |
4 | 1132333233231001013 |
5 | 3132344301414343 |
6 | 114505251423235 |
7 | 10240453622255 |
oct | 1367757550107 |
9 | 322248226215 |
10 | 102001201223 |
11 | 3a293023209 |
12 | 17927bb4b1b |
13 | 98072b778c |
14 | 4d18b4d5d5 |
15 | 29bec88218 |
hex | 17bfbed047 |
102001201223 has 4 divisors (see below), whose sum is σ = 102006890040. Its totient is φ = 101995512408.
The previous prime is 102001201193. The next prime is 102001201231. The reversal of 102001201223 is 322102100201.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 102001201223 - 224 = 101984424007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102001201198 and 102001201207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102001201243) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2817428 + ... + 2853401.
It is an arithmetic number, because the mean of its divisors is an integer number (25501722510).
Almost surely, 2102001201223 is an apocalyptic number.
102001201223 is a deficient number, since it is larger than the sum of its proper divisors (5688817).
102001201223 is an equidigital number, since it uses as much as digits as its factorization.
102001201223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5688816.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 102001201223 its reverse (322102100201), we get a palindrome (424103301424).
The spelling of 102001201223 in words is "one hundred two billion, one million, two hundred one thousand, two hundred twenty-three".
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