Base | Representation |
---|---|
bin | 111101111100101001… |
… | …1000100100011010000 |
3 | 110201101012022200121202 |
4 | 1323321103010203100 |
5 | 4134422033420130 |
6 | 141040331410332 |
7 | 12416434322042 |
oct | 1737123044320 |
9 | 421335280552 |
10 | 133031545040 |
11 | 51466925859 |
12 | 21947bb39a8 |
13 | c710c82374 |
14 | 661dd63a92 |
15 | 36d9089145 |
hex | 1ef94c48d0 |
133031545040 has 20 divisors (see below), whose sum is σ = 309298342404. Its totient is φ = 53212617984.
The previous prime is 133031545027. The next prime is 133031545091. The reversal of 133031545040 is 40545130331.
133031545040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 28772301376 + 104259243664 = 169624^2 + 322892^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a junction number, because it is equal to n+sod(n) for n = 133031544994 and 133031545012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831447077 + ... + 831447236.
Almost surely, 2133031545040 is an apocalyptic number.
133031545040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
133031545040 is an abundant number, since it is smaller than the sum of its proper divisors (176266797364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133031545040 is a wasteful number, since it uses less digits than its factorization.
133031545040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1662894326 (or 1662894320 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 29.
Adding to 133031545040 its reverse (40545130331), we get a palindrome (173576675371).
The spelling of 133031545040 in words is "one hundred thirty-three billion, thirty-one million, five hundred forty-five thousand, forty".
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