Base | Representation |
---|---|
bin | 1001001001101000100010… |
… | …10011100011011000100101 |
3 | 2122020122221120010110110022 |
4 | 10210310101103203120211 |
5 | 10114140242300320401 |
6 | 110444003332004525 |
7 | 4144532113633010 |
oct | 444642123433045 |
9 | 78218846113408 |
10 | 20122212120101 |
11 | 645886717a793 |
12 | 230b9a0160745 |
13 | b2c6938842c0 |
14 | 4d7cc52b8377 |
15 | 24d65914e71b |
hex | 124d114e3625 |
20122212120101 has 8 divisors (see below), whose sum is σ = 24765799532544. Its totient is φ = 15920871127920.
The previous prime is 20122212120061. The next prime is 20122212120151. The reversal of 20122212120101 is 10102121222102.
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 20122212120101 - 210 = 20122212119077 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20122212120101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20122212120151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110561604965 + ... + 110561605146.
It is an arithmetic number, because the mean of its divisors is an integer number (3095724941568).
Almost surely, 220122212120101 is an apocalyptic number.
It is an amenable number.
20122212120101 is a deficient number, since it is larger than the sum of its proper divisors (4643587412443).
20122212120101 is a wasteful number, since it uses less digits than its factorization.
20122212120101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 221123210131.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 20122212120101 its reverse (10102121222102), we get a palindrome (30224333342203).
The spelling of 20122212120101 in words is "twenty trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twenty thousand, one hundred one".
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