Base | Representation |
---|---|
bin | 100000001010011111… |
… | …0001010111100101111 |
3 | 20121021200212112210202 |
4 | 1000110332022330233 |
5 | 2112424224200311 |
6 | 51421514024115 |
7 | 4663436344244 |
oct | 1002476127457 |
9 | 217250775722 |
10 | 69071318831 |
11 | 27324a60179 |
12 | 11477a1803b |
13 | 6689c1b378 |
14 | 34b35515cb |
15 | 1be3d1ae3b |
hex | 1014f8af2f |
69071318831 has 8 divisors (see below), whose sum is σ = 69127182864. Its totient is φ = 69015481600.
The previous prime is 69071318819. The next prime is 69071318839. The reversal of 69071318831 is 13881317096.
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 69071318831 - 210 = 69071317807 is a prime.
It is a super-2 number, since 2×690713188312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69071318839) 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, 11296031 + ... + 11302143.
It is an arithmetic number, because the mean of its divisors is an integer number (8640897858).
Almost surely, 269071318831 is an apocalyptic number.
69071318831 is a deficient number, since it is larger than the sum of its proper divisors (55864033).
69071318831 is a wasteful number, since it uses less digits than its factorization.
69071318831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13401.
The product of its (nonzero) digits is 217728, while the sum is 47.
The spelling of 69071318831 in words is "sixty-nine billion, seventy-one million, three hundred eighteen thousand, eight hundred thirty-one".
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