Base | Representation |
---|---|
bin | 1111111100110… |
… | …10000001110000 |
3 | 100022202202011100 |
4 | 13332122001300 |
5 | 233223100143 |
6 | 21135444400 |
7 | 3213165414 |
oct | 776320160 |
9 | 308682140 |
10 | 133800048 |
11 | 69587a58 |
12 | 38986700 |
13 | 21949335 |
14 | 13aacd44 |
15 | bb2e6d3 |
hex | 7f9a070 |
133800048 has 60 divisors (see below), whose sum is σ = 375241360. Its totient is φ = 44506368.
The previous prime is 133800041. The next prime is 133800059. The reversal of 133800048 is 840008331.
It is a junction number, because it is equal to n+sod(n) for n = 133799994 and 133800030.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133800041) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117948 + ... + 119076.
Almost surely, 2133800048 is an apocalyptic number.
133800048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
133800048 is an abundant number, since it is smaller than the sum of its proper divisors (241441312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133800048 is a wasteful number, since it uses less digits than its factorization.
133800048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1966 (or 1957 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 133800048 is about 11567.1970675700. The cubic root of 133800048 is about 511.4683405326.
Adding to 133800048 its reverse (840008331), we get a palindrome (973808379).
The spelling of 133800048 in words is "one hundred thirty-three million, eight hundred thousand, forty-eight".
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