Base | Representation |
---|---|
bin | 1000001111100000… |
… | …0001001000101100 |
3 | 12201012012122102220 |
4 | 2003320001020230 |
5 | 14012400000022 |
6 | 1003313315340 |
7 | 105553640232 |
oct | 20370011054 |
9 | 5635178386 |
10 | 2212500012 |
11 | a35998008 |
12 | 518b65b50 |
13 | 2934ba108 |
14 | 16dbb2952 |
15 | ce38a85c |
hex | 83e0122c |
2212500012 has 48 divisors (see below), whose sum is σ = 5321159424. Its totient is φ = 715176000.
The previous prime is 2212499921. The next prime is 2212500023. The reversal of 2212500012 is 2100052122.
It is a junction number, because it is equal to n+sod(n) for n = 2212499964 and 2212500000.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30687 + ... + 73257.
It is an arithmetic number, because the mean of its divisors is an integer number (110857488).
Almost surely, 22212500012 is an apocalyptic number.
It is an amenable number.
2212500012 is an abundant number, since it is smaller than the sum of its proper divisors (3108659412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212500012 is a wasteful number, since it uses less digits than its factorization.
2212500012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42710 (or 42708 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 15.
The square root of 2212500012 is about 47037.2194331255. The cubic root of 2212500012 is about 1303.0500400245.
Adding to 2212500012 its reverse (2100052122), we get a palindrome (4312552134).
The spelling of 2212500012 in words is "two billion, two hundred twelve million, five hundred thousand, twelve".
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