Base | Representation |
---|---|
bin | 100000010011111011… |
… | …1010100011001100001 |
3 | 20122002210022100000002 |
4 | 1000213313110121201 |
5 | 2114101400232013 |
6 | 51513155505345 |
7 | 5004335505335 |
oct | 1004767243141 |
9 | 218083270002 |
10 | 69388289633 |
11 | 27477976013 |
12 | 11545bb8255 |
13 | 670a7ab860 |
14 | 35036a17c5 |
15 | 1c11a7d358 |
hex | 1027dd4661 |
69388289633 has 8 divisors (see below), whose sum is σ = 74727901248. Its totient is φ = 64048971024.
The previous prime is 69388289609. The next prime is 69388289671. The reversal of 69388289633 is 33698288396.
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 69388289633 - 26 = 69388289569 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 69388289633.
It is not an unprimeable number, because it can be changed into a prime (69388289533) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845066 + ... + 923532.
It is an arithmetic number, because the mean of its divisors is an integer number (9340987656).
Almost surely, 269388289633 is an apocalyptic number.
It is an amenable number.
69388289633 is a deficient number, since it is larger than the sum of its proper divisors (5339611615).
69388289633 is a wasteful number, since it uses less digits than its factorization.
69388289633 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146503.
The product of its digits is 80621568, while the sum is 65.
The spelling of 69388289633 in words is "sixty-nine billion, three hundred eighty-eight million, two hundred eighty-nine thousand, six hundred thirty-three".
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