Base | Representation |
---|---|
bin | 1111100111000001… |
… | …0100011000100011 |
3 | 101211000120212110021 |
4 | 3321300110120203 |
5 | 32040142140222 |
6 | 1531442214311 |
7 | 205560024445 |
oct | 37160243043 |
9 | 11730525407 |
10 | 4190193187 |
11 | 1860289184 |
12 | 98b354397 |
13 | 51a15406b |
14 | 2ba702495 |
15 | 197ce3ac7 |
hex | f9c14623 |
4190193187 has 4 divisors (see below), whose sum is σ = 4190422480. Its totient is φ = 4189963896.
The previous prime is 4190193181. The next prime is 4190193191. The reversal of 4190193187 is 7813910914.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7813910914 = 2 ⋅3906955457.
It is a cyclic number.
It is not a de Polignac number, because 4190193187 - 223 = 4181804579 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (4190193181) 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, 84612 + ... + 124657.
It is an arithmetic number, because the mean of its divisors is an integer number (1047605620).
Almost surely, 24190193187 is an apocalyptic number.
4190193187 is a deficient number, since it is larger than the sum of its proper divisors (229293).
4190193187 is a wasteful number, since it uses less digits than its factorization.
4190193187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 229292.
The product of its (nonzero) digits is 54432, while the sum is 43.
The square root of 4190193187 is about 64731.7015611362. The cubic root of 4190193187 is about 1612.1719060216.
The spelling of 4190193187 in words is "four billion, one hundred ninety million, one hundred ninety-three thousand, one hundred eighty-seven".
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