Base | Representation |
---|---|
bin | 101111100110101110… |
… | …0010100100010000110 |
3 | 100202212122122221120121 |
4 | 1133031130110202012 |
5 | 3133332114014342 |
6 | 114544141052154 |
7 | 10246244113150 |
oct | 1371534244206 |
9 | 322778587517 |
10 | 102231001222 |
11 | 3a3a080a369 |
12 | 17990b5705a |
13 | 9842aa69cc |
14 | 4d3b48bad0 |
15 | 29d502c067 |
hex | 17cd714886 |
102231001222 has 16 divisors (see below), whose sum is σ = 175258172160. Its totient is φ = 43812029448.
The previous prime is 102231001217. The next prime is 102231001237. The reversal of 102231001222 is 222100132201.
It is a happy number.
It is a super-2 number, since 2×1022310012222 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 102231001196 and 102231001205.
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, 535863 + ... + 701149.
It is an arithmetic number, because the mean of its divisors is an integer number (10953635760).
Almost surely, 2102231001222 is an apocalyptic number.
102231001222 is a deficient number, since it is larger than the sum of its proper divisors (73027170938).
102231001222 is a wasteful number, since it uses less digits than its factorization.
102231001222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209475.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 102231001222 its reverse (222100132201), we get a palindrome (324331133423).
The spelling of 102231001222 in words is "one hundred two billion, two hundred thirty-one million, one thousand, two hundred twenty-two".
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