Base | Representation |
---|---|
bin | 111110111100010… |
… | …1100001100111100 |
3 | 12110012010101100000 |
4 | 1331320230030330 |
5 | 13311133404431 |
6 | 545323434300 |
7 | 103223546433 |
oct | 17570541474 |
9 | 5405111300 |
10 | 2112013116 |
11 | 9941a3794 |
12 | 4ab385990 |
13 | 278735b05 |
14 | 1606d611a |
15 | c563b9e6 |
hex | 7de2c33c |
2112013116 has 36 divisors (see below), whose sum is σ = 5536431992. Its totient is φ = 704004048.
The previous prime is 2112013093. The next prime is 2112013117. The reversal of 2112013116 is 6113102112.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-3 number, since 3×21120131163 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112013117) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1085455 + ... + 1087398.
Almost surely, 22112013116 is an apocalyptic number.
It is an amenable number.
2112013116 is an abundant number, since it is smaller than the sum of its proper divisors (3424418876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112013116 is a wasteful number, since it uses less digits than its factorization.
2112013116 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2172872 (or 2172858 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
The square root of 2112013116 is about 45956.6438722411. The cubic root of 2112013116 is about 1283.0163879285.
Adding to 2112013116 its reverse (6113102112), we get a palindrome (8225115228).
The spelling of 2112013116 in words is "two billion, one hundred twelve million, thirteen thousand, one hundred sixteen".
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