Base | Representation |
---|---|
bin | 111110111101010… |
… | …1010101100000010 |
3 | 12110020002201000101 |
4 | 1331322222230002 |
5 | 13311301444302 |
6 | 545342513014 |
7 | 103231135045 |
oct | 17572525402 |
9 | 5406081011 |
10 | 2112531202 |
11 | 994517a61 |
12 | 4ab59576a |
13 | 278887882 |
14 | 1607ccc5c |
15 | c56e0287 |
hex | 7deaab02 |
2112531202 has 8 divisors (see below), whose sum is σ = 3177877500. Its totient is φ = 1053238704.
The previous prime is 2112531181. The next prime is 2112531203. The reversal of 2112531202 is 2021352112.
It can be written as a sum of positive squares in 2 ways, for example, as 2025090001 + 87441201 = 45001^2 + 9351^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×21125312023 (a number of 29 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2112531202.
It is not an unprimeable number, because it can be changed into a prime (2112531203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1512577 + ... + 1513972.
Almost surely, 22112531202 is an apocalyptic number.
2112531202 is a deficient number, since it is larger than the sum of its proper divisors (1065346298).
2112531202 is a wasteful number, since it uses less digits than its factorization.
2112531202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3026900.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 2112531202 is about 45962.2802088843. The cubic root of 2112531202 is about 1283.1212891841.
Adding to 2112531202 its reverse (2021352112), we get a palindrome (4133883314).
The spelling of 2112531202 in words is "two billion, one hundred twelve million, five hundred thirty-one thousand, two hundred two".
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