Base | Representation |
---|---|
bin | 111101111100101001… |
… | …0111111000001111110 |
3 | 110201101012021112121100 |
4 | 1323321102333001332 |
5 | 4134422032204210 |
6 | 141040331113530 |
7 | 12416434166112 |
oct | 1737122770176 |
9 | 421335245540 |
10 | 133031522430 |
11 | 5146690a874 |
12 | 21947ba28a6 |
13 | c710c74ca1 |
14 | 661dd59742 |
15 | 36d90825c0 |
hex | 1ef94bf07e |
133031522430 has 96 divisors (see below), whose sum is σ = 354664889280. Its totient is φ = 34584560640.
The previous prime is 133031522417. The next prime is 133031522483. The reversal of 133031522430 is 34225130331.
133031522430 is a `hidden beast` number, since 133 + 0 + 3 + 1 + 522 + 4 + 3 + 0 = 666.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 133031522394 and 133031522403.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 513151 + ... + 727589.
It is an arithmetic number, because the mean of its divisors is an integer number (3694425930).
Almost surely, 2133031522430 is an apocalyptic number.
133031522430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 133031522430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177332444640).
133031522430 is an abundant number, since it is smaller than the sum of its proper divisors (221633366850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133031522430 is a wasteful number, since it uses less digits than its factorization.
133031522430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214626 (or 214623 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 27.
Adding to 133031522430 its reverse (34225130331), we get a palindrome (167256652761).
The spelling of 133031522430 in words is "one hundred thirty-three billion, thirty-one million, five hundred twenty-two thousand, four hundred thirty".
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