Base | Representation |
---|---|
bin | 10010101111010000… |
… | …001000001111100111 |
3 | 1220221012112111021022 |
4 | 102233100020033213 |
5 | 312201222010210 |
6 | 13124255441355 |
7 | 1311411053663 |
oct | 225720101747 |
9 | 56835474238 |
10 | 20120110055 |
11 | 8595306531 |
12 | 3a9622625b |
13 | 1b8853c986 |
14 | d8c22d8a3 |
15 | 7cb594155 |
hex | 4af4083e7 |
20120110055 has 8 divisors (see below), whose sum is σ = 24393041232. Its totient is φ = 15930148608.
The previous prime is 20120110033. The next prime is 20120110069. The reversal of 20120110055 is 55001102102.
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 20120110055 - 224 = 20103332839 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20741897 + ... + 20742866.
It is an arithmetic number, because the mean of its divisors is an integer number (3049130154).
Almost surely, 220120110055 is an apocalyptic number.
20120110055 is a deficient number, since it is larger than the sum of its proper divisors (4272931177).
20120110055 is an equidigital number, since it uses as much as digits as its factorization.
20120110055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41484865.
The product of its (nonzero) digits is 100, while the sum is 17.
Adding to 20120110055 its reverse (55001102102), we get a palindrome (75121212157).
The spelling of 20120110055 in words is "twenty billion, one hundred twenty million, one hundred ten thousand, fifty-five".
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