Base | Representation |
---|---|
bin | 1101101111000110… |
… | …00011100000101011 |
3 | 201000221012200112110 |
4 | 12313203003200223 |
5 | 110100320342433 |
6 | 3215430413403 |
7 | 350513154156 |
oct | 66743034053 |
9 | 21027180473 |
10 | 7374387243 |
11 | 3144716313 |
12 | 1519801263 |
13 | 906a4a462 |
14 | 4dd574c9d |
15 | 2d261d963 |
hex | 1b78c382b |
7374387243 has 4 divisors (see below), whose sum is σ = 9832516328. Its totient is φ = 4916258160.
The previous prime is 7374387221. The next prime is 7374387247. The reversal of 7374387243 is 3427834737.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 7374387243 - 214 = 7374370859 is a prime.
It is a super-2 number, since 2×73743872432 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7374387192 and 7374387201.
It is not an unprimeable number, because it can be changed into a prime (7374387247) 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, 1229064538 + ... + 1229064543.
It is an arithmetic number, because the mean of its divisors is an integer number (2458129082).
Almost surely, 27374387243 is an apocalyptic number.
7374387243 is a deficient number, since it is larger than the sum of its proper divisors (2458129085).
7374387243 is a wasteful number, since it uses less digits than its factorization.
7374387243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2458129084.
The product of its digits is 2370816, while the sum is 48.
The square root of 7374387243 is about 85874.2525032969. The cubic root of 7374387243 is about 1946.4442977248. Note that the first 3 decimals are identical.
The spelling of 7374387243 in words is "seven billion, three hundred seventy-four million, three hundred eighty-seven thousand, two hundred forty-three".
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