Base | Representation |
---|---|
bin | 10111001111100001110001… |
… | …010101111001110110011111 |
3 | 111101221100011112011200120111 |
4 | 113033201301111321312133 |
5 | 101344301402020242231 |
6 | 1001224110051030451 |
7 | 30350206335613243 |
oct | 2717416125716637 |
9 | 441840145150514 |
10 | 102222123212191 |
11 | 2a63118269a9a4 |
12 | b56b3ba29b427 |
13 | 450667422b488 |
14 | 1b35811a38423 |
15 | bc407308c4b1 |
hex | 5cf871579d9f |
102222123212191 has 8 divisors (see below), whose sum is σ = 102252765736800. Its totient is φ = 102191484783360.
The previous prime is 102222123212159. The next prime is 102222123212201. The reversal of 102222123212191 is 191212321222201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 102222123212191 - 25 = 102222123212159 is a prime.
It is a super-2 number, since 2×1022221232121912 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102222123212291) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49268931 + ... + 51301771.
It is an arithmetic number, because the mean of its divisors is an integer number (12781595717100).
Almost surely, 2102222123212191 is an apocalyptic number.
102222123212191 is a deficient number, since it is larger than the sum of its proper divisors (30642524609).
102222123212191 is a wasteful number, since it uses less digits than its factorization.
102222123212191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2047889.
The product of its (nonzero) digits is 3456, while the sum is 31.
Adding to 102222123212191 its reverse (191212321222201), we get a palindrome (293434444434392).
The spelling of 102222123212191 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred twenty-three million, two hundred twelve thousand, one hundred ninety-one".
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