Base | Representation |
---|---|
bin | 1110010001010000111… |
… | …1000100110101010000 |
3 | 212102210002221001111110 |
4 | 3210110033010311100 |
5 | 13004033033212034 |
6 | 304342131413320 |
7 | 23466052663650 |
oct | 3442417046520 |
9 | 772702831443 |
10 | 245152632144 |
11 | 94a722a7012 |
12 | 3b619154240 |
13 | 1a16ba412a4 |
14 | bc18b22360 |
15 | 659c4b1de9 |
hex | 39143c4d50 |
245152632144 has 80 divisors (see below), whose sum is σ = 747131863040. Its totient is φ = 67784135040.
The previous prime is 245152632143. The next prime is 245152632163. The reversal of 245152632144 is 441236251542.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245152632143) 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, 11757664 + ... + 11778495.
It is an arithmetic number, because the mean of its divisors is an integer number (9339148288).
Almost surely, 2245152632144 is an apocalyptic number.
245152632144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
245152632144 is an abundant number, since it is smaller than the sum of its proper divisors (501979230896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245152632144 is a wasteful number, since it uses less digits than its factorization.
245152632144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23536208 (or 23536202 counting only the distinct ones).
The product of its digits is 230400, while the sum is 39.
Adding to 245152632144 its reverse (441236251542), we get a palindrome (686388883686).
The spelling of 245152632144 in words is "two hundred forty-five billion, one hundred fifty-two million, six hundred thirty-two thousand, one hundred forty-four".
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