Base | Representation |
---|---|
bin | 111011001011100… |
… | …110011111110001 |
3 | 2120012022101122022 |
4 | 323023212133301 |
5 | 4013140201014 |
6 | 242305121225 |
7 | 33414325316 |
oct | 7313463761 |
9 | 2505271568 |
10 | 992897009 |
11 | 46a512245 |
12 | 238629215 |
13 | 12a921130 |
14 | 95c1cd0d |
15 | 5c27ba8e |
hex | 3b2e67f1 |
992897009 has 8 divisors (see below), whose sum is σ = 1071067200. Its totient is φ = 914983056.
The previous prime is 992896991. The next prime is 992897029. The reversal of 992897009 is 900798299.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-992897009 is a prime.
It is a super-2 number, since 2×9928970092 = 1971688940962292162, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (992897029) 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, 55967 + ... + 71540.
It is an arithmetic number, because the mean of its divisors is an integer number (133883400).
Almost surely, 2992897009 is an apocalyptic number.
It is an amenable number.
992897009 is a deficient number, since it is larger than the sum of its proper divisors (78170191).
992897009 is a wasteful number, since it uses less digits than its factorization.
992897009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128119.
The product of its (nonzero) digits is 734832, while the sum is 53.
The square root of 992897009 is about 31510.2683105048. The cubic root of 992897009 is about 997.6267082756.
The spelling of 992897009 in words is "nine hundred ninety-two million, eight hundred ninety-seven thousand, nine".
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