Base | Representation |
---|---|
bin | 10000111010101… |
… | …10001001110010 |
3 | 100220000210210201 |
4 | 20131112021302 |
5 | 242312120032 |
6 | 22025345414 |
7 | 3342135436 |
oct | 1035261162 |
9 | 326023721 |
10 | 141910642 |
11 | 73117625 |
12 | 3b63826a |
13 | 23528bc3 |
14 | 14bc09c6 |
15 | c6d28e7 |
hex | 8756272 |
141910642 has 4 divisors (see below), whose sum is σ = 212865966. Its totient is φ = 70955320.
The previous prime is 141910607. The next prime is 141910649. The reversal of 141910642 is 246019141.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246019141 = 13751 ⋅17891.
It can be written as a sum of positive squares in only one way, i.e., 133610481 + 8300161 = 11559^2 + 2881^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 141910642.
It is not an unprimeable number, because it can be changed into a prime (141910649) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35477659 + ... + 35477662.
Almost surely, 2141910642 is an apocalyptic number.
141910642 is a deficient number, since it is larger than the sum of its proper divisors (70955324).
141910642 is an equidigital number, since it uses as much as digits as its factorization.
141910642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70955323.
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 141910642 is about 11912.6253193828. The cubic root of 141910642 is about 521.6008874088.
Adding to 141910642 its reverse (246019141), we get a palindrome (387929783).
The spelling of 141910642 in words is "one hundred forty-one million, nine hundred ten thousand, six hundred forty-two".
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