Base | Representation |
---|---|
bin | 100000001100110110… |
… | …0110010001110111111 |
3 | 20121111020010211220122 |
4 | 1000121230302032333 |
5 | 2113110031202411 |
6 | 51433430205155 |
7 | 4665421542341 |
oct | 1003154621677 |
9 | 217436124818 |
10 | 69150647231 |
11 | 27365812836 |
12 | 1149a4b37bb |
13 | 66a04a4b53 |
14 | 34bdcc1291 |
15 | 1beac8a9db |
hex | 1019b323bf |
69150647231 has 16 divisors (see below), whose sum is σ = 73151295360. Its totient is φ = 65186868960.
The previous prime is 69150647219. The next prime is 69150647243. The reversal of 69150647231 is 13274605196.
It is an interprime number because it is at equal distance from previous prime (69150647219) and next prime (69150647243).
It is not a de Polignac number, because 69150647231 - 222 = 69146452927 is a prime.
It is a super-2 number, since 2×691506472312 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69150647201) 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 15 ways as a sum of consecutive naturals, for example, 3429080 + ... + 3449186.
It is an arithmetic number, because the mean of its divisors is an integer number (4571955960).
Almost surely, 269150647231 is an apocalyptic number.
69150647231 is a deficient number, since it is larger than the sum of its proper divisors (4000648129).
69150647231 is a wasteful number, since it uses less digits than its factorization.
69150647231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21014.
The product of its (nonzero) digits is 272160, while the sum is 44.
The spelling of 69150647231 in words is "sixty-nine billion, one hundred fifty million, six hundred forty-seven thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •