Base | Representation |
---|---|
bin | 11111110101010011… |
… | …000100010001101011 |
3 | 10021020002001102020212 |
4 | 133311103010101223 |
5 | 1030000111442433 |
6 | 23411400011335 |
7 | 2320005540446 |
oct | 376523042153 |
9 | 107202042225 |
10 | 34180187243 |
11 | 1354a908634 |
12 | 675aa60b4b |
13 | 32b9424987 |
14 | 19236a465d |
15 | d50ae2d48 |
hex | 7f54c446b |
34180187243 has 4 divisors (see below), whose sum is σ = 34397895600. Its totient is φ = 33962478888.
The previous prime is 34180187227. The next prime is 34180187257. The reversal of 34180187243 is 34278108143.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34278108143 = 157 ⋅218331899.
It is a cyclic number.
It is not a de Polignac number, because 34180187243 - 24 = 34180187227 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 34180187243.
It is not an unprimeable number, because it can be changed into a prime (34180187273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108853943 + ... + 108854256.
It is an arithmetic number, because the mean of its divisors is an integer number (8599473900).
Almost surely, 234180187243 is an apocalyptic number.
34180187243 is a deficient number, since it is larger than the sum of its proper divisors (217708357).
34180187243 is a wasteful number, since it uses less digits than its factorization.
34180187243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217708356.
The product of its (nonzero) digits is 129024, while the sum is 41.
The spelling of 34180187243 in words is "thirty-four billion, one hundred eighty million, one hundred eighty-seven thousand, two hundred forty-three".
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