Base | Representation |
---|---|
bin | 111111000010110… |
… | …1100011101011011 |
3 | 12110102112120111120 |
4 | 1332011230131123 |
5 | 13313022001133 |
6 | 545524500323 |
7 | 103264535130 |
oct | 17605543533 |
9 | 5412476446 |
10 | 2115422043 |
11 | 996111989 |
12 | 4b054a6a3 |
13 | 27935a627 |
14 | 160d42587 |
15 | c5ab1ab3 |
hex | 7e16c75b |
2115422043 has 32 divisors (see below), whose sum is σ = 3269076480. Its totient is φ = 1191801600.
The previous prime is 2115422011. The next prime is 2115422063. The reversal of 2115422043 is 3402245112.
It is not a de Polignac number, because 2115422043 - 25 = 2115422011 is a prime.
It is a super-3 number, since 3×21154220433 (a number of 29 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (2115422003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 740568 + ... + 743418.
It is an arithmetic number, because the mean of its divisors is an integer number (102158640).
Almost surely, 22115422043 is an apocalyptic number.
2115422043 is a deficient number, since it is larger than the sum of its proper divisors (1153654437).
2115422043 is a wasteful number, since it uses less digits than its factorization.
2115422043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3347.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 2115422043 is about 45993.7174296664. The cubic root of 2115422043 is about 1283.7063075964.
Adding to 2115422043 its reverse (3402245112), we get a palindrome (5517667155).
The spelling of 2115422043 in words is "two billion, one hundred fifteen million, four hundred twenty-two thousand, forty-three".
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