Base | Representation |
---|---|
bin | 10111001111101010010101… |
… | …100101110111101101111001 |
3 | 111101222012220120000120121021 |
4 | 113033222111211313231321 |
5 | 101344424221223441441 |
6 | 1001232230510142441 |
7 | 30350653305306151 |
oct | 2717522545675571 |
9 | 441865816016537 |
10 | 102231321312121 |
11 | 2a635072796581 |
12 | b5711467b1a21 |
13 | 45074aba4bc61 |
14 | 1b36045499761 |
15 | bc441084a3d1 |
hex | 5cfa95977b79 |
102231321312121 has 8 divisors (see below), whose sum is σ = 102896349976800. Its totient is φ = 101567995667040.
The previous prime is 102231321312053. The next prime is 102231321312179. The reversal of 102231321312121 is 121213123132201.
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 102231321312121 - 231 = 102229173828473 is a prime.
It is a super-3 number, since 3×1022313213121213 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102231321312821) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425634451 + ... + 425874568.
It is an arithmetic number, because the mean of its divisors is an integer number (12862043747100).
Almost surely, 2102231321312121 is an apocalyptic number.
It is an amenable number.
102231321312121 is a deficient number, since it is larger than the sum of its proper divisors (665028664679).
102231321312121 is an equidigital number, since it uses as much as digits as its factorization.
102231321312121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 851509799.
The product of its (nonzero) digits is 864, while the sum is 25.
Adding to 102231321312121 its reverse (121213123132201), we get a palindrome (223444444444322).
The spelling of 102231321312121 in words is "one hundred two trillion, two hundred thirty-one billion, three hundred twenty-one million, three hundred twelve thousand, one hundred twenty-one".
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