Base | Representation |
---|---|
bin | 100110001001101… |
… | …0110100000010110 |
3 | 10022012210220210000 |
4 | 1030103112200112 |
5 | 10110204010314 |
6 | 331005512130 |
7 | 43503010323 |
oct | 11423264026 |
9 | 3265726700 |
10 | 1280141334 |
11 | 5a767414a |
12 | 2b8872646 |
13 | 1752a3ca4 |
14 | c2031b4a |
15 | 775bb209 |
hex | 4c4d6816 |
1280141334 has 40 divisors (see below), whose sum is σ = 2874777048. Its totient is φ = 425774880.
The previous prime is 1280141333. The next prime is 1280141351. The reversal of 1280141334 is 4331410821.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 1280141298 and 1280141307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1280141333) 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 19 ways as a sum of consecutive naturals, for example, 67194 + ... + 84114.
Almost surely, 21280141334 is an apocalyptic number.
1280141334 is an abundant number, since it is smaller than the sum of its proper divisors (1594635714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1280141334 is a wasteful number, since it uses less digits than its factorization.
1280141334 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17402 (or 17393 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 1280141334 is about 35779.0627881726. The cubic root of 1280141334 is about 1085.8070076151.
The spelling of 1280141334 in words is "one billion, two hundred eighty million, one hundred forty-one thousand, three hundred thirty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •