Base | Representation |
---|---|
bin | 111110111100100… |
… | …1011001011111110 |
3 | 12110012100211102112 |
4 | 1331321023023332 |
5 | 13311201440110 |
6 | 545330254022 |
7 | 103224615440 |
oct | 17571131376 |
9 | 5405324375 |
10 | 2112140030 |
11 | 994280080 |
12 | 4ab427312 |
13 | 27877b800 |
14 | 16072a490 |
15 | c5664405 |
hex | 7de4b2fe |
2112140030 has 96 divisors (see below), whose sum is σ = 5132947968. Its totient is φ = 607651200.
The previous prime is 2112140029. The next prime is 2112140053. The reversal of 2112140030 is 300412112.
It is a super-2 number, since 2×21121400302 = 8922271012656801800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 2112139987 and 2112140014.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122015 + ... + 138245.
It is an arithmetic number, because the mean of its divisors is an integer number (53468208).
Almost surely, 22112140030 is an apocalyptic number.
2112140030 is an abundant number, since it is smaller than the sum of its proper divisors (3020807938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112140030 is a wasteful number, since it uses less digits than its factorization.
2112140030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16282 (or 16269 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 2112140030 is about 45958.0246529374. The cubic root of 2112140030 is about 1283.0420868661.
Adding to 2112140030 its reverse (300412112), we get a palindrome (2412552142).
It can be divided in two parts, 2112 and 140030, that multiplied together give a triangular number (295743360 = T24320).
The spelling of 2112140030 in words is "two billion, one hundred twelve million, one hundred forty thousand, thirty".
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