Base | Representation |
---|---|
bin | 10000111010101… |
… | …00011001000111 |
3 | 100220000102220122 |
4 | 20131110121013 |
5 | 242311402211 |
6 | 22025252155 |
7 | 3342105425 |
oct | 1035243107 |
9 | 326012818 |
10 | 141903431 |
11 | 7311216a |
12 | 3b63405b |
13 | 23525837 |
14 | 14bbc115 |
15 | c6d06db |
hex | 8754647 |
141903431 has 2 divisors, whose sum is σ = 141903432. Its totient is φ = 141903430.
The previous prime is 141903413. The next prime is 141903439. The reversal of 141903431 is 134309141.
Together with previous prime (141903413) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is an emirp because it is prime and its reverse (134309141) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 141903431 - 214 = 141887047 is a prime.
It is a super-2 number, since 2×1419034312 = 40273167459143522, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 141903431.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (141903439) 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, 70951715 + 70951716.
It is an arithmetic number, because the mean of its divisors is an integer number (70951716).
Almost surely, 2141903431 is an apocalyptic number.
141903431 is a deficient number, since it is larger than the sum of its proper divisors (1).
141903431 is an equidigital number, since it uses as much as digits as its factorization.
141903431 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 141903431 is about 11912.3226534543. The cubic root of 141903431 is about 521.5920524413.
The spelling of 141903431 in words is "one hundred forty-one million, nine hundred three thousand, four hundred thirty-one".
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