Base | Representation |
---|---|
bin | 10000110011111… |
… | …00111111010101 |
3 | 100211100121122020 |
4 | 20121330333111 |
5 | 242100134031 |
6 | 21554323353 |
7 | 3331442232 |
oct | 1031747725 |
9 | 324317566 |
10 | 141021141 |
11 | 7266a2a8 |
12 | 3b289559 |
13 | 232a7081 |
14 | 14a2c789 |
15 | c5a9096 |
hex | 867cfd5 |
141021141 has 4 divisors (see below), whose sum is σ = 188028192. Its totient is φ = 94014092.
The previous prime is 141021109. The next prime is 141021161. The reversal of 141021141 is 141120141.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141120141 = 3 ⋅47040047.
It is a cyclic number.
It is not a de Polignac number, because 141021141 - 25 = 141021109 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 141021141.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (141021161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23503521 + ... + 23503526.
It is an arithmetic number, because the mean of its divisors is an integer number (47007048).
Almost surely, 2141021141 is an apocalyptic number.
It is an amenable number.
141021141 is a deficient number, since it is larger than the sum of its proper divisors (47007051).
141021141 is an equidigital number, since it uses as much as digits as its factorization.
141021141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47007050.
The product of its (nonzero) digits is 32, while the sum is 15.
The square root of 141021141 is about 11875.2322503604. The cubic root of 141021141 is about 520.5087981046.
Adding to 141021141 its reverse (141120141), we get a palindrome (282141282).
The spelling of 141021141 in words is "one hundred forty-one million, twenty-one thousand, one hundred forty-one".
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