Base | Representation |
---|---|
bin | 1111000111000100… |
… | …10110101101000011 |
3 | 202221100220200101102 |
4 | 13203202112231003 |
5 | 113103233314334 |
6 | 3420552525015 |
7 | 405014162336 |
oct | 74342265503 |
9 | 22840820342 |
10 | 8112401219 |
11 | 349326a11a |
12 | 16a49b076b |
13 | 9c3909410 |
14 | 56d5a661d |
15 | 3272ee67e |
hex | 1e3896b43 |
8112401219 has 16 divisors (see below), whose sum is σ = 9005091648. Its totient is φ = 7259559552.
The previous prime is 8112401153. The next prime is 8112401239. The reversal of 8112401219 is 9121042118.
It is a cyclic number.
It is not a de Polignac number, because 8112401219 - 28 = 8112400963 is a prime.
It is a super-2 number, since 2×81124012192 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 8112401191 and 8112401200.
It is not an unprimeable number, because it can be changed into a prime (8112401239) 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, 102794 + ... + 163680.
It is an arithmetic number, because the mean of its divisors is an integer number (562818228).
Almost surely, 28112401219 is an apocalyptic number.
8112401219 is a deficient number, since it is larger than the sum of its proper divisors (892690429).
8112401219 is a wasteful number, since it uses less digits than its factorization.
8112401219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61214.
The product of its (nonzero) digits is 1152, while the sum is 29.
The square root of 8112401219 is about 90068.8693112110. The cubic root of 8112401219 is about 2009.3232393208.
The spelling of 8112401219 in words is "eight billion, one hundred twelve million, four hundred one thousand, two hundred nineteen".
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