Base | Representation |
---|---|
bin | 111110111100100… |
… | …1000110101100001 |
3 | 12110012100100012220 |
4 | 1331321020311201 |
5 | 13311201133101 |
6 | 545330141253 |
7 | 103224545403 |
oct | 17571106541 |
9 | 5405310186 |
10 | 2112130401 |
11 | 994273917 |
12 | 4ab421829 |
13 | 278777304 |
14 | 160726b73 |
15 | c5661636 |
hex | 7de48d61 |
2112130401 has 16 divisors (see below), whose sum is σ = 2871685440. Its totient is φ = 1380375360.
The previous prime is 2112130399. The next prime is 2112130403. The reversal of 2112130401 is 1040312112.
It is an interprime number because it is at equal distance from previous prime (2112130399) and next prime (2112130403).
It is not a de Polignac number, because 2112130401 - 21 = 2112130399 is a prime.
It is a super-2 number, since 2×21121304012 = 8922189661656841602, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2112130403) 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 15 ways as a sum of consecutive naturals, for example, 214770 + ... + 224388.
It is an arithmetic number, because the mean of its divisors is an integer number (179480340).
Almost surely, 22112130401 is an apocalyptic number.
It is an amenable number.
2112130401 is a deficient number, since it is larger than the sum of its proper divisors (759555039).
2112130401 is a wasteful number, since it uses less digits than its factorization.
2112130401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11056.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 2112130401 is about 45957.9198941815. The cubic root of 2112130401 is about 1283.0401371168.
Adding to 2112130401 its reverse (1040312112), we get a palindrome (3152442513).
The spelling of 2112130401 in words is "two billion, one hundred twelve million, one hundred thirty thousand, four hundred one".
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