Base | Representation |
---|---|
bin | 111101111111100111… |
… | …1010001000100011000 |
3 | 110201122010212020122210 |
4 | 1323333033101010120 |
5 | 4140123042223112 |
6 | 141054251515120 |
7 | 12422054423331 |
oct | 1737717210430 |
9 | 421563766583 |
10 | 133131211032 |
11 | 51508109346 |
12 | 21975458aa0 |
13 | c728809b21 |
14 | 662d2a9288 |
15 | 36e2bc4b3c |
hex | 1eff3d1118 |
133131211032 has 32 divisors (see below), whose sum is σ = 332837049600. Its totient is φ = 44375867424.
The previous prime is 133131211021. The next prime is 133131211033. The reversal of 133131211032 is 230112131331.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133131211033) 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, 1515333 + ... + 1600779.
It is an arithmetic number, because the mean of its divisors is an integer number (10401157800).
Almost surely, 2133131211032 is an apocalyptic number.
133131211032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
133131211032 is an abundant number, since it is smaller than the sum of its proper divisors (199705838568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133131211032 is a wasteful number, since it uses less digits than its factorization.
133131211032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150375 (or 150371 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 133131211032 its reverse (230112131331), we get a palindrome (363243342363).
The spelling of 133131211032 in words is "one hundred thirty-three billion, one hundred thirty-one million, two hundred eleven thousand, thirty-two".
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