Base | Representation |
---|---|
bin | 10000110011110… |
… | …00010111110111 |
3 | 100211022122200212 |
4 | 20121320113313 |
5 | 242044032411 |
6 | 21554100035 |
7 | 3331333136 |
oct | 1031702767 |
9 | 324278625 |
10 | 141002231 |
11 | 72657077 |
12 | 3b27a61b |
13 | 2329b596 |
14 | 14a2591d |
15 | c5a368b |
hex | 86785f7 |
141002231 has 4 divisors (see below), whose sum is σ = 141634752. Its totient is φ = 140369712.
The previous prime is 141002221. The next prime is 141002269. The reversal of 141002231 is 132200141.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-141002231 is a prime.
It is a super-2 number, since 2×1410022312 = 39763258293954722, 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 (141002221) 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, 315926 + ... + 316371.
It is an arithmetic number, because the mean of its divisors is an integer number (35408688).
Almost surely, 2141002231 is an apocalyptic number.
141002231 is a deficient number, since it is larger than the sum of its proper divisors (632521).
141002231 is an equidigital number, since it uses as much as digits as its factorization.
141002231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 632520.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 141002231 is about 11874.4360287131. The cubic root of 141002231 is about 520.4855314717.
Adding to 141002231 its reverse (132200141), we get a palindrome (273202372).
The spelling of 141002231 in words is "one hundred forty-one million, two thousand, two hundred thirty-one".
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