Base | Representation |
---|---|
bin | 10011001000011001… |
… | …101000100101110101 |
3 | 1222000121110100201002 |
4 | 103020121220211311 |
5 | 314032230012440 |
6 | 13234211013045 |
7 | 1325023251560 |
oct | 231031504565 |
9 | 58017410632 |
10 | 20542032245 |
11 | 8791494959 |
12 | 3b9359a185 |
13 | 1c24a88587 |
14 | dcc29d4d7 |
15 | 803638115 |
hex | 4c8668975 |
20542032245 has 8 divisors (see below), whose sum is σ = 28171929984. Its totient is φ = 14085964944.
The previous prime is 20542032241. The next prime is 20542032311. The reversal of 20542032245 is 54223024502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20542032245 - 22 = 20542032241 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20542032241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293457569 + ... + 293457638.
It is an arithmetic number, because the mean of its divisors is an integer number (3521491248).
Almost surely, 220542032245 is an apocalyptic number.
It is an amenable number.
20542032245 is a deficient number, since it is larger than the sum of its proper divisors (7629897739).
20542032245 is an equidigital number, since it uses as much as digits as its factorization.
20542032245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 586915219.
The product of its (nonzero) digits is 19200, while the sum is 29.
Adding to 20542032245 its reverse (54223024502), we get a palindrome (74765056747).
The spelling of 20542032245 in words is "twenty billion, five hundred forty-two million, thirty-two thousand, two hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •