Base | Representation |
---|---|
bin | 101010111110111… |
… | …1111011100001001 |
3 | 10201111222010211210 |
4 | 1111331333130021 |
5 | 10423213021433 |
6 | 355041443333 |
7 | 50512316031 |
oct | 12575773411 |
9 | 3644863753 |
10 | 1442313993 |
11 | 68016a93a |
12 | 343040549 |
13 | 19ca75643 |
14 | d97a88c1 |
15 | 86952463 |
hex | 55f7f709 |
1442313993 has 16 divisors (see below), whose sum is σ = 1931529600. Its totient is φ = 957331200.
The previous prime is 1442313979. The next prime is 1442314007. The reversal of 1442313993 is 3993132441.
It is an interprime number because it is at equal distance from previous prime (1442313979) and next prime (1442314007).
It is not a de Polignac number, because 1442313993 - 210 = 1442312969 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1442313893) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008603 + ... + 1010031.
It is an arithmetic number, because the mean of its divisors is an integer number (120720600).
Almost surely, 21442313993 is an apocalyptic number.
It is an amenable number.
1442313993 is a deficient number, since it is larger than the sum of its proper divisors (489215607).
1442313993 is a wasteful number, since it uses less digits than its factorization.
1442313993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2672.
The product of its digits is 69984, while the sum is 39.
The square root of 1442313993 is about 37977.8092180157. The cubic root of 1442313993 is about 1129.8477861645.
The spelling of 1442313993 in words is "one billion, four hundred forty-two million, three hundred thirteen thousand, nine hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •