Base | Representation |
---|---|
bin | 1100110011111110110… |
… | …1011101000010001101 |
3 | 210001010222221220211012 |
4 | 3030333231131002031 |
5 | 12101242211241414 |
6 | 245041304335005 |
7 | 21621404634626 |
oct | 3147755350215 |
9 | 701128856735 |
10 | 220112212109 |
11 | 853926728a9 |
12 | 367ab174465 |
13 | 179ab024cba |
14 | a921256a4d |
15 | 5ad3ea833e |
hex | 333fb5d08d |
220112212109 has 8 divisors (see below), whose sum is σ = 227289384192. Its totient is φ = 212939838720.
The previous prime is 220112212097. The next prime is 220112212127. The reversal of 220112212109 is 901212211022.
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 220112212109 - 24 = 220112212093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220112212409) 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, 1106324 + ... + 1290029.
It is an arithmetic number, because the mean of its divisors is an integer number (28411173024).
Almost surely, 2220112212109 is an apocalyptic number.
It is an amenable number.
220112212109 is a deficient number, since it is larger than the sum of its proper divisors (7177172083).
220112212109 is a wasteful number, since it uses less digits than its factorization.
220112212109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2399347.
The product of its (nonzero) digits is 288, while the sum is 23.
The spelling of 220112212109 in words is "two hundred twenty billion, one hundred twelve million, two hundred twelve thousand, one hundred nine".
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