Base | Representation |
---|---|
bin | 1100000011001111… |
… | …11011110111001001 |
3 | 121200212212122210021 |
4 | 12001213323313021 |
5 | 101222220300334 |
6 | 2545552020441 |
7 | 316216342201 |
oct | 60147736711 |
9 | 17625778707 |
10 | 6469696969 |
11 | 281aa800aa |
12 | 1306831721 |
13 | 7c14a0c78 |
14 | 455357401 |
15 | 27ceb73b4 |
hex | 1819fbdc9 |
6469696969 has 8 divisors (see below), whose sum is σ = 6641952768. Its totient is φ = 6298883040.
The previous prime is 6469696963. The next prime is 6469696991. The reversal of 6469696969 is 9696969646.
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 6469696969 - 213 = 6469688777 is a prime.
It is a super-2 number, since 2×64696969692 = 83713957741375573922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 6469696898 and 6469696907.
It is not an unprimeable number, because it can be changed into a prime (6469696963) 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, 351372 + ... + 369325.
It is an arithmetic number, because the mean of its divisors is an integer number (830244096).
Almost surely, 26469696969 is an apocalyptic number.
It is an amenable number.
6469696969 is a deficient number, since it is larger than the sum of its proper divisors (172255799).
6469696969 is a wasteful number, since it uses less digits than its factorization.
6469696969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 720935.
The product of its digits is 204073344, while the sum is 70.
The square root of 6469696969 is about 80434.4265162623. The cubic root of 6469696969 is about 1863.3508957040.
The spelling of 6469696969 in words is "six billion, four hundred sixty-nine million, six hundred ninety-six thousand, nine hundred sixty-nine".
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