Base | Representation |
---|---|
bin | 1000001111011… |
… | …10101010100001 |
3 | 11211002102101220 |
4 | 10013232222201 |
5 | 120144310014 |
6 | 10505445253 |
7 | 1466431536 |
oct | 407565241 |
9 | 154072356 |
10 | 69135009 |
11 | 36030179 |
12 | 1b1a0829 |
13 | 11427bb8 |
14 | 9278d8d |
15 | 61096a9 |
hex | 41eeaa1 |
69135009 has 4 divisors (see below), whose sum is σ = 92180016. Its totient is φ = 46090004.
The previous prime is 69134999. The next prime is 69135019. The reversal of 69135009 is 90053196.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (69134999) and next prime (69135019).
It is a cyclic number.
It is not a de Polignac number, because 69135009 - 24 = 69134993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (69135019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11522499 + ... + 11522504.
It is an arithmetic number, because the mean of its divisors is an integer number (23045004).
Almost surely, 269135009 is an apocalyptic number.
It is an amenable number.
69135009 is a deficient number, since it is larger than the sum of its proper divisors (23045007).
69135009 is a wasteful number, since it uses less digits than its factorization.
69135009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23045006.
The product of its (nonzero) digits is 7290, while the sum is 33.
The square root of 69135009 is about 8314.7464783961. The cubic root of 69135009 is about 410.4239299472.
The spelling of 69135009 in words is "sixty-nine million, one hundred thirty-five thousand, nine".
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