Base | Representation |
---|---|
bin | 10000110011110… |
… | …00011010111111 |
3 | 100211022122222021 |
4 | 20121320122333 |
5 | 242044034211 |
6 | 21554101011 |
7 | 3331333543 |
oct | 1031703277 |
9 | 324278867 |
10 | 141002431 |
11 | 72657239 |
12 | 3b27a767 |
13 | 2329b6bb |
14 | 14a25a23 |
15 | c5a3771 |
hex | 86786bf |
141002431 has 4 divisors (see below), whose sum is σ = 141453232. Its totient is φ = 140551632.
The previous prime is 141002429. The next prime is 141002447. The reversal of 141002431 is 134200141.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134200141 = 701 ⋅191441.
It is a cyclic number.
It is not a de Polignac number, because 141002431 - 21 = 141002429 is a prime.
It is a super-2 number, since 2×1410024312 = 39763371095819522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (141002531) 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, 224931 + ... + 225556.
It is an arithmetic number, because the mean of its divisors is an integer number (35363308).
Almost surely, 2141002431 is an apocalyptic number.
141002431 is a deficient number, since it is larger than the sum of its proper divisors (450801).
141002431 is an equidigital number, since it uses as much as digits as its factorization.
141002431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 450800.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 141002431 is about 11874.4444501627. Note that the first 4 decimals coincide. The cubic root of 141002431 is about 520.4857775602.
Adding to 141002431 its reverse (134200141), we get a palindrome (275202572).
The spelling of 141002431 in words is "one hundred forty-one million, two thousand, four hundred thirty-one".
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