Base | Representation |
---|---|
bin | 111110111100100… |
… | …1001000010000010 |
3 | 12110012100101022120 |
4 | 1331321021002002 |
5 | 13311201144302 |
6 | 545330145110 |
7 | 103224550626 |
oct | 17571110202 |
9 | 5405311276 |
10 | 2112131202 |
11 | 994274485 |
12 | 4ab422196 |
13 | 27877779c |
14 | 160727186 |
15 | c56619bc |
hex | 7de49082 |
2112131202 has 16 divisors (see below), whose sum is σ = 4277735040. Its totient is φ = 695131632.
The previous prime is 2112131201. The next prime is 2112131207. The reversal of 2112131202 is 2021312112.
It is a super-2 number, since 2×21121312022 = 8922196428923929608, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2112131201) 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, 2227513 + ... + 2228460.
It is an arithmetic number, because the mean of its divisors is an integer number (267358440).
Almost surely, 22112131202 is an apocalyptic number.
2112131202 is an abundant number, since it is smaller than the sum of its proper divisors (2165603838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112131202 is a wasteful number, since it uses less digits than its factorization.
2112131202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4456057.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 2112131202 is about 45957.9286086743. The cubic root of 2112131202 is about 1283.0402993093.
Adding to 2112131202 its reverse (2021312112), we get a palindrome (4133443314).
The spelling of 2112131202 in words is "two billion, one hundred twelve million, one hundred thirty-one thousand, two hundred two".
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