Base | Representation |
---|---|
bin | 11010001111010… |
… | …10100000010001 |
3 | 120100011220011010 |
4 | 31013222200101 |
5 | 422322103123 |
6 | 33501441133 |
7 | 5311633416 |
oct | 1507524021 |
9 | 510156133 |
10 | 220112913 |
11 | 1032800a9 |
12 | 618701a9 |
13 | 367a9c37 |
14 | 2133a10d |
15 | 144cd993 |
hex | d1ea811 |
220112913 has 8 divisors (see below), whose sum is σ = 293674048. Its totient is φ = 146646864.
The previous prime is 220112911. The next prime is 220112933. The reversal of 220112913 is 319211022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 220112913 - 21 = 220112911 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 220112913.
It is not an unprimeable number, because it can be changed into a prime (220112911) 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, 18181 + ... + 27762.
It is an arithmetic number, because the mean of its divisors is an integer number (36709256).
Almost surely, 2220112913 is an apocalyptic number.
It is an amenable number.
220112913 is a deficient number, since it is larger than the sum of its proper divisors (73561135).
220112913 is a wasteful number, since it uses less digits than its factorization.
220112913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47543.
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 220112913 is about 14836.2027823834. The cubic root of 220112913 is about 603.7843339570.
Adding to 220112913 its reverse (319211022), we get a palindrome (539323935).
The spelling of 220112913 in words is "two hundred twenty million, one hundred twelve thousand, nine hundred thirteen".
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