Base | Representation |
---|---|
bin | 1111101010000… |
… | …11111110000001 |
3 | 100011011021212200 |
4 | 13311003332001 |
5 | 232111203101 |
6 | 21011143413 |
7 | 3153313530 |
oct | 765037601 |
9 | 304137780 |
10 | 131350401 |
11 | 68164556 |
12 | 37ba4b69 |
13 | 2129c340 |
14 | 13632317 |
15 | b7e8986 |
hex | 7d43f81 |
131350401 has 96 divisors (see below), whose sum is σ = 257187840. Its totient is φ = 62612352.
The previous prime is 131350393. The next prime is 131350403. The reversal of 131350401 is 104053131.
It is not a de Polignac number, because 131350401 - 23 = 131350393 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131350403) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 357720 + ... + 358086.
It is an arithmetic number, because the mean of its divisors is an integer number (2679040).
Almost surely, 2131350401 is an apocalyptic number.
It is an amenable number.
131350401 is a deficient number, since it is larger than the sum of its proper divisors (125837439).
131350401 is a wasteful number, since it uses less digits than its factorization.
131350401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 435 (or 432 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 131350401 is about 11460.8202586028. The cubic root of 131350401 is about 508.3277291388.
The spelling of 131350401 in words is "one hundred thirty-one million, three hundred fifty thousand, four hundred one".
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