Base | Representation |
---|---|
bin | 11101110100010110101100… |
… | …000111010000101110100000 |
3 | 122012022222011102012102000012 |
4 | 131310112230013100232200 |
5 | 114142104010223032230 |
6 | 1142525222314144052 |
7 | 36423430210021313 |
oct | 3564265407205640 |
9 | 565288142172005 |
10 | 131141124033440 |
11 | 38870702747214 |
12 | 12860041122028 |
13 | 582372a259951 |
14 | 245539b22a97a |
15 | 1026435563395 |
hex | 7745ac1d0ba0 |
131141124033440 has 48 divisors (see below), whose sum is σ = 309828787285248. Its totient is φ = 52455115136256.
The previous prime is 131141124033433. The next prime is 131141124033449. The reversal of 131141124033440 is 44330421141131.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a junction number, because it is equal to n+sod(n) for n = 131141124033397 and 131141124033406.
It is not an unprimeable number, because it can be changed into a prime (131141124033449) 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, 4104632 + ... + 16707191.
It is an arithmetic number, because the mean of its divisors is an integer number (6454766401776).
Almost surely, 2131141124033440 is an apocalyptic number.
131141124033440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131141124033440 is an abundant number, since it is smaller than the sum of its proper divisors (178687663251808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131141124033440 is a wasteful number, since it uses less digits than its factorization.
131141124033440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20851221 (or 20851213 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 32.
Adding to 131141124033440 its reverse (44330421141131), we get a palindrome (175471545174571).
The spelling of 131141124033440 in words is "one hundred thirty-one trillion, one hundred forty-one billion, one hundred twenty-four million, thirty-three thousand, four hundred forty".
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