Base | Representation |
---|---|
bin | 111101001100000110… |
… | …0001100011100101011 |
3 | 110120011122201010111121 |
4 | 1322120030030130223 |
5 | 4123103000234202 |
6 | 140210532240111 |
7 | 12331162365253 |
oct | 1723014143453 |
9 | 416148633447 |
10 | 131402352427 |
11 | 50800225285 |
12 | 21572470037 |
13 | c511597c78 |
14 | 6507830963 |
15 | 3641020537 |
hex | 1e9830c72b |
131402352427 has 4 divisors (see below), whose sum is σ = 131715962280. Its totient is φ = 131088742576.
The previous prime is 131402352317. The next prime is 131402352437. The reversal of 131402352427 is 724253204131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724253204131 = 241811 ⋅2995121.
It is a cyclic number.
It is not a de Polignac number, because 131402352427 - 223 = 131393963819 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131402352392 and 131402352401.
It is not an unprimeable number, because it can be changed into a prime (131402352437) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156804298 + ... + 156805135.
It is an arithmetic number, because the mean of its divisors is an integer number (32928990570).
Almost surely, 2131402352427 is an apocalyptic number.
131402352427 is a deficient number, since it is larger than the sum of its proper divisors (313609853).
131402352427 is an equidigital number, since it uses as much as digits as its factorization.
131402352427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 313609852.
The product of its (nonzero) digits is 40320, while the sum is 34.
Adding to 131402352427 its reverse (724253204131), we get a palindrome (855655556558).
The spelling of 131402352427 in words is "one hundred thirty-one billion, four hundred two million, three hundred fifty-two thousand, four hundred twenty-seven".
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