Base | Representation |
---|---|
bin | 101000010100111… |
… | …0010010111100101 |
3 | 10111022011012110020 |
4 | 1100221302113211 |
5 | 10232400201433 |
6 | 342134145353 |
7 | 45350266530 |
oct | 12051622745 |
9 | 3438135406 |
10 | 1353131493 |
11 | 63489779a |
12 | 3191b2259 |
13 | 18744b82c |
14 | cb9d1a17 |
15 | 7dbd7cb3 |
hex | 50a725e5 |
1353131493 has 32 divisors (see below), whose sum is σ = 2240471040. Its totient is φ = 708886080.
The previous prime is 1353131491. The next prime is 1353131509. The reversal of 1353131493 is 3941313531.
It is not a de Polignac number, because 1353131493 - 21 = 1353131491 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1353131491) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42330 + ... + 67067.
It is an arithmetic number, because the mean of its divisors is an integer number (70014720).
Almost surely, 21353131493 is an apocalyptic number.
It is an amenable number.
1353131493 is a deficient number, since it is larger than the sum of its proper divisors (887339547).
1353131493 is a wasteful number, since it uses less digits than its factorization.
1353131493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109457.
The product of its digits is 14580, while the sum is 33.
The square root of 1353131493 is about 36784.9356802482. The cubic root of 1353131493 is about 1106.0633466437.
The spelling of 1353131493 in words is "one billion, three hundred fifty-three million, one hundred thirty-one thousand, four hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •