Base | Representation |
---|---|
bin | 1111101101011111… |
… | …10001011111010011 |
3 | 210202211100102212100 |
4 | 13312233301133103 |
5 | 114233234422112 |
6 | 3512544331443 |
7 | 416006435004 |
oct | 76657613723 |
9 | 23684312770 |
10 | 8434685907 |
11 | 36391843aa |
12 | 1774913b83 |
13 | a4560a50b |
14 | 5a02db1ab |
15 | 3457612dc |
hex | 1f6bf17d3 |
8434685907 has 12 divisors (see below), whose sum is σ = 12184590600. Its totient is φ = 5622590688.
The previous prime is 8434685893. The next prime is 8434685911. The reversal of 8434685907 is 7095864348.
8434685907 is a `hidden beast` number, since 8 + 4 + 3 + 46 + 8 + 590 + 7 = 666.
8434685907 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-8434685907 is a prime.
It is a super-2 number, since 2×84346859072 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8434685407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71719 + ... + 148367.
It is an arithmetic number, because the mean of its divisors is an integer number (1015382550).
Almost surely, 28434685907 is an apocalyptic number.
8434685907 is a deficient number, since it is larger than the sum of its proper divisors (3749904693).
8434685907 is a wasteful number, since it uses less digits than its factorization.
8434685907 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88882 (or 88879 counting only the distinct ones).
The product of its (nonzero) digits is 5806080, while the sum is 54.
The square root of 8434685907 is about 91840.5460948485. The cubic root of 8434685907 is about 2035.5868576910.
The spelling of 8434685907 in words is "eight billion, four hundred thirty-four million, six hundred eighty-five thousand, nine hundred seven".
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