Base | Representation |
---|---|
bin | 111110111100100… |
… | …1000110011001010 |
3 | 12110012100100000022 |
4 | 1331321020303022 |
5 | 13311201132000 |
6 | 545330140442 |
7 | 103224545066 |
oct | 17571106312 |
9 | 5405310008 |
10 | 2112130250 |
11 | 99427379a |
12 | 4ab421722 |
13 | 278777219 |
14 | 160726aa6 |
15 | c5661585 |
hex | 7de48cca |
2112130250 has 64 divisors (see below), whose sum is σ = 4343189760. Its totient is φ = 765547200.
The previous prime is 2112130249. The next prime is 2112130253. The reversal of 2112130250 is 520312112.
It is a happy number.
It is a super-2 number, since 2×21121302502 = 8922188385930125000, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2112130253) 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 31 ways as a sum of consecutive naturals, for example, 99584 + ... + 118916.
It is an arithmetic number, because the mean of its divisors is an integer number (67862340).
Almost surely, 22112130250 is an apocalyptic number.
2112130250 is an abundant number, since it is smaller than the sum of its proper divisors (2231059510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112130250 is a wasteful number, since it uses less digits than its factorization.
2112130250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19392 (or 19382 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 2112130250 is about 45957.9182513743. The cubic root of 2112130250 is about 1283.0401065412.
Adding to 2112130250 its reverse (520312112), we get a palindrome (2632442362).
The spelling of 2112130250 in words is "two billion, one hundred twelve million, one hundred thirty thousand, two hundred fifty".
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