Base | Representation |
---|---|
bin | 11111011010101011101001… |
… | …01100111011000111011011 |
3 | 100001121121100110011122221000 |
4 | 33231111310230323013123 |
5 | 33023403131230432231 |
6 | 402533523023520043 |
7 | 20360223021224334 |
oct | 1755256454730733 |
9 | 301547313148830 |
10 | 69086506889691 |
11 | 2001647206a8a5 |
12 | 78b9517459023 |
13 | 2c71aa2966a75 |
14 | 130bb3a43328b |
15 | 7ec172b106e6 |
hex | 3ed574b3b1db |
69086506889691 has 16 divisors (see below), whose sum is σ = 106800397125120. Its totient is φ = 44055163813320.
The previous prime is 69086506889663. The next prime is 69086506889693. The reversal of 69086506889691 is 19698860568096.
It is not a de Polignac number, because 69086506889691 - 26 = 69086506889627 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 69086506889691.
It is not an unprimeable number, because it can be changed into a prime (69086506889693) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55625206215 + ... + 55625207456.
It is an arithmetic number, because the mean of its divisors is an integer number (6675024820320).
Almost surely, 269086506889691 is an apocalyptic number.
69086506889691 is a deficient number, since it is larger than the sum of its proper divisors (37713890235429).
69086506889691 is a wasteful number, since it uses less digits than its factorization.
69086506889691 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111250413703 (or 111250413697 counting only the distinct ones).
The product of its (nonzero) digits is 2418647040, while the sum is 81.
The spelling of 69086506889691 in words is "sixty-nine trillion, eighty-six billion, five hundred six million, eight hundred eighty-nine thousand, six hundred ninety-one".
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