Base | Representation |
---|---|
bin | 10111001111100001000000… |
… | …111011111101000011111111 |
3 | 111101221021001221001021111212 |
4 | 113033201000323331003333 |
5 | 101344243221120300411 |
6 | 1001223453320435035 |
7 | 30350150245034525 |
oct | 2717410073750377 |
9 | 441837057037455 |
10 | 102221311103231 |
11 | 2a6308a6239471 |
12 | b56b212318a7b |
13 | 4506574bc8b28 |
14 | 1b35775c3a315 |
15 | bc4026b2268b |
hex | 5cf840efd0ff |
102221311103231 has 16 divisors (see below), whose sum is σ = 102415463490528. Its totient is φ = 102027380505600.
The previous prime is 102221311103209. The next prime is 102221311103269. The reversal of 102221311103231 is 132301113122201.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 102221311103231 - 214 = 102221311086847 is a prime.
It is a super-2 number, since 2×1022213111032312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102221311103197 and 102221311103206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102221311105231) 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, 6485704391 + ... + 6485720151.
It is an arithmetic number, because the mean of its divisors is an integer number (6400966468158).
Almost surely, 2102221311103231 is an apocalyptic number.
102221311103231 is a deficient number, since it is larger than the sum of its proper divisors (194152387297).
102221311103231 is a wasteful number, since it uses less digits than its factorization.
102221311103231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22042.
The product of its (nonzero) digits is 432, while the sum is 23.
Adding to 102221311103231 its reverse (132301113122201), we get a palindrome (234522424225432).
The spelling of 102221311103231 in words is "one hundred two trillion, two hundred twenty-one billion, three hundred eleven million, one hundred three thousand, two hundred thirty-one".
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