Base | Representation |
---|---|
bin | 1111110001101100… |
… | …10111101001000000 |
3 | 210212021202000211001 |
4 | 13320312113221000 |
5 | 114321303010342 |
6 | 3520244501344 |
7 | 416615360356 |
oct | 77066275100 |
9 | 23767660731 |
10 | 8469969472 |
11 | 3657093478 |
12 | 17846aa854 |
13 | a4ca12373 |
14 | 5a4c837d6 |
15 | 3488d08b7 |
hex | 1f8d97a40 |
8469969472 has 14 divisors (see below), whose sum is σ = 16807595798. Its totient is φ = 4234984704.
The previous prime is 8469969413. The next prime is 8469969491. The reversal of 8469969472 is 2749699648.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 7627576896 + 842392576 = 87336^2 + 29024^2 .
It is a super-2 number, since 2×84699694722 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (64), and also a Moran number because the ratio is a prime number: 132343273 = 8469969472 / (8 + 4 + 6 + 9 + 9 + 6 + 9 + 4 + 7 + 2).
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 66171573 + ... + 66171700.
It is an arithmetic number, because the mean of its divisors is an integer number (1200542557).
Almost surely, 28469969472 is an apocalyptic number.
It is an amenable number.
8469969472 is a deficient number, since it is larger than the sum of its proper divisors (8337626326).
8469969472 is a wasteful number, since it uses less digits than its factorization.
8469969472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132343285 (or 132343275 counting only the distinct ones).
The product of its digits is 47029248, while the sum is 64.
The square root of 8469969472 is about 92032.4370643307. The cubic root of 8469969472 is about 2038.4212981434.
The spelling of 8469969472 in words is "eight billion, four hundred sixty-nine million, nine hundred sixty-nine thousand, four hundred seventy-two".
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