Base | Representation |
---|---|
bin | 1000000110101… |
… | …10101010000011 |
3 | 11201221011010202 |
4 | 10003112222003 |
5 | 114401104344 |
6 | 10425115415 |
7 | 1453614014 |
oct | 403265203 |
9 | 151834122 |
10 | 67988099 |
11 | 35417513 |
12 | 1a928b6b |
13 | 11115b5a |
14 | 905b00b |
15 | 5e7e94e |
hex | 40d6a83 |
67988099 has 8 divisors (see below), whose sum is σ = 72740880. Its totient is φ = 63352800.
The previous prime is 67988077. The next prime is 67988113. The reversal of 67988099 is 99088976.
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 67988099 - 224 = 51210883 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (67988009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28172 + ... + 30489.
It is an arithmetic number, because the mean of its divisors is an integer number (9092610).
Almost surely, 267988099 is an apocalyptic number.
67988099 is a deficient number, since it is larger than the sum of its proper divisors (4752781).
67988099 is a wasteful number, since it uses less digits than its factorization.
67988099 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58741.
The product of its (nonzero) digits is 1959552, while the sum is 56.
The square root of 67988099 is about 8245.4896155413. The cubic root of 67988099 is about 408.1416971469.
The spelling of 67988099 in words is "sixty-seven million, nine hundred eighty-eight thousand, ninety-nine".
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