Base | Representation |
---|---|
bin | 110100010000011110… |
… | …0111111101010100101 |
3 | 101201122221111210002112 |
4 | 1220200330333222211 |
5 | 3314312313310041 |
6 | 123315403050405 |
7 | 11051652226532 |
oct | 1504074775245 |
9 | 351587453075 |
10 | 112222010021 |
11 | 43658443130 |
12 | 198bab10a05 |
13 | a775966834 |
14 | 560834dd89 |
15 | 2dbc210deb |
hex | 1a20f3faa5 |
112222010021 has 16 divisors (see below), whose sum is σ = 127793369088. Its totient is φ = 97548778800.
The previous prime is 112222010011. The next prime is 112222010023. The reversal of 112222010021 is 120010222211.
It is not a de Polignac number, because 112222010021 - 26 = 112222009957 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 112222009978 and 112222010005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (112222010023) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626660 + ... + 785586.
It is an arithmetic number, because the mean of its divisors is an integer number (7987085568).
Almost surely, 2112222010021 is an apocalyptic number.
112222010021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
112222010021 is a deficient number, since it is larger than the sum of its proper divisors (15571359067).
112222010021 is a wasteful number, since it uses less digits than its factorization.
112222010021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161752.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 112222010021 its reverse (120010222211), we get a palindrome (232232232232).
The spelling of 112222010021 in words is "one hundred twelve billion, two hundred twenty-two million, ten thousand, twenty-one".
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