Base | Representation |
---|---|
bin | 1001001001010101101111… |
… | …11000110011001011111011 |
3 | 2122012200220100210020221222 |
4 | 10210222313320303023323 |
5 | 10114004111213000443 |
6 | 110435214205422255 |
7 | 4144024063215416 |
oct | 444526770631373 |
9 | 78180810706858 |
10 | 20112122000123 |
11 | 645455960225a |
12 | 2309a44b6a98b |
13 | b2b7463023ca |
14 | 4d76091b6b7d |
15 | 24d2683de468 |
hex | 124ab7e332fb |
20112122000123 has 8 divisors (see below), whose sum is σ = 20216636137056. Its totient is φ = 20007611020800.
The previous prime is 20112122000081. The next prime is 20112122000161. The reversal of 20112122000123 is 32100022121102.
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 20112122000123 - 224 = 20112105222907 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20112122000183) 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, 12568193 + ... + 14077773.
It is an arithmetic number, because the mean of its divisors is an integer number (2527079517132).
Almost surely, 220112122000123 is an apocalyptic number.
20112122000123 is a deficient number, since it is larger than the sum of its proper divisors (104514136933).
20112122000123 is a wasteful number, since it uses less digits than its factorization.
20112122000123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1578805.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 20112122000123 its reverse (32100022121102), we get a palindrome (52212144121225).
The spelling of 20112122000123 in words is "twenty trillion, one hundred twelve billion, one hundred twenty-two million, one hundred twenty-three", and thus it is an aban number.
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