Base | Representation |
---|---|
bin | 1110111010100000… |
… | …10001111101011011 |
3 | 202200000120201221211 |
4 | 13131100101331123 |
5 | 112344242444044 |
6 | 3402305443551 |
7 | 402264243013 |
oct | 73520217533 |
9 | 22600521854 |
10 | 8006999899 |
11 | 3439819598 |
12 | 16756405b7 |
13 | 9a7b24282 |
14 | 55d5aac43 |
15 | 31ce2e634 |
hex | 1dd411f5b |
8006999899 has 8 divisors (see below), whose sum is σ = 8103894480. Its totient is φ = 7910259456.
The previous prime is 8006999863. The next prime is 8006999909. The reversal of 8006999899 is 9989996008.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8006999899 - 217 = 8006868827 is a prime.
It is a super-2 number, since 2×80069998992 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8006999809) 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 7 ways as a sum of consecutive naturals, for example, 67747 + ... + 143539.
It is an arithmetic number, because the mean of its divisors is an integer number (1012986810).
Almost surely, 28006999899 is an apocalyptic number.
8006999899 is a gapful number since it is divisible by the number (89) formed by its first and last digit.
8006999899 is a deficient number, since it is larger than the sum of its proper divisors (96894581).
8006999899 is a wasteful number, since it uses less digits than its factorization.
8006999899 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77069.
The product of its (nonzero) digits is 22674816, while the sum is 67.
The square root of 8006999899 is about 89481.8411690327. The cubic root of 8006999899 is about 2000.5831548653.
The spelling of 8006999899 in words is "eight billion, six million, nine hundred ninety-nine thousand, eight hundred ninety-nine".
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