Base | Representation |
---|---|
bin | 100000010101100100… |
… | …0111100101000100000 |
3 | 20122020121201020012111 |
4 | 1000223020330220200 |
5 | 2114204432230103 |
6 | 51522441405104 |
7 | 5005603552012 |
oct | 1005310745040 |
9 | 218217636174 |
10 | 69443242528 |
11 | 274a5999a30 |
12 | 11560499794 |
13 | 6718cac46a |
14 | 350aac81b2 |
15 | 1c167d586d |
hex | 102b23ca20 |
69443242528 has 96 divisors (see below), whose sum is σ = 151981220160. Its totient is φ = 30970368000.
The previous prime is 69443242487. The next prime is 69443242529. The reversal of 69443242528 is 82524234496.
It is not an unprimeable number, because it can be changed into a prime (69443242529) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4095508 + ... + 4112428.
It is an arithmetic number, because the mean of its divisors is an integer number (1583137710).
Almost surely, 269443242528 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69443242528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75990610080).
69443242528 is an abundant number, since it is smaller than the sum of its proper divisors (82537977632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69443242528 is a wasteful number, since it uses less digits than its factorization.
69443242528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17162 (or 17154 counting only the distinct ones).
The product of its digits is 3317760, while the sum is 49.
The spelling of 69443242528 in words is "sixty-nine billion, four hundred forty-three million, two hundred forty-two thousand, five hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •