Base | Representation |
---|---|
bin | 10000110110110… |
… | …01001101010101 |
3 | 100212001210210011 |
4 | 20123121031111 |
5 | 242144230434 |
6 | 22010400221 |
7 | 3334604413 |
oct | 1033311525 |
9 | 325053704 |
10 | 141398869 |
11 | 728a8077 |
12 | 3b430071 |
13 | 233a9c91 |
14 | 14aca2b3 |
15 | c630e64 |
hex | 86d9355 |
141398869 has 4 divisors (see below), whose sum is σ = 143795520. Its totient is φ = 139002220.
The previous prime is 141398863. The next prime is 141398891. The reversal of 141398869 is 968893141.
141398869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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: 968893141 = 839 ⋅1154819.
It is a cyclic number.
It is not a de Polignac number, because 141398869 - 25 = 141398837 is a prime.
It is a super-2 number, since 2×1413988692 = 39987280308958322, which contains 22 as substring.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (141398863) 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, 1198237 + ... + 1198354.
It is an arithmetic number, because the mean of its divisors is an integer number (35948880).
Almost surely, 2141398869 is an apocalyptic number.
It is an amenable number.
141398869 is a deficient number, since it is larger than the sum of its proper divisors (2396651).
141398869 is an equidigital number, since it uses as much as digits as its factorization.
141398869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2396650.
The product of its digits is 373248, while the sum is 49.
The square root of 141398869 is about 11891.1256405775. The cubic root of 141398869 is about 520.9731149314.
The spelling of 141398869 in words is "one hundred forty-one million, three hundred ninety-eight thousand, eight hundred sixty-nine".
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