Base | Representation |
---|---|
bin | 111110111110100… |
… | …1110101110101011 |
3 | 12110021100211201001 |
4 | 1331331032232223 |
5 | 13311434444430 |
6 | 545405135431 |
7 | 103236634012 |
oct | 17575165653 |
9 | 5407324631 |
10 | 2113203115 |
11 | 994936861 |
12 | 4ab85a577 |
13 | 278a6165a |
14 | 160925a79 |
15 | c57c43ca |
hex | 7df4ebab |
2113203115 has 16 divisors (see below), whose sum is σ = 2578233600. Its totient is φ = 1662392160.
The previous prime is 2113203107. The next prime is 2113203149. The reversal of 2113203115 is 5113023112.
It is not a de Polignac number, because 2113203115 - 23 = 2113203107 is a prime.
It is a super-3 number, since 3×21132031153 (a number of 29 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2113203092 and 2113203101.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195400 + ... + 205930.
It is an arithmetic number, because the mean of its divisors is an integer number (161139600).
Almost surely, 22113203115 is an apocalyptic number.
2113203115 is a deficient number, since it is larger than the sum of its proper divisors (465030485).
2113203115 is a wasteful number, since it uses less digits than its factorization.
2113203115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11202.
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 2113203115 is about 45969.5890236143. The cubic root of 2113203115 is about 1283.2573115515.
Adding to 2113203115 its reverse (5113023112), we get a palindrome (7226226227).
The spelling of 2113203115 in words is "two billion, one hundred thirteen million, two hundred three thousand, one hundred fifteen".
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