Base | Representation |
---|---|
bin | 1111001001001110… |
… | …10010100101001011 |
3 | 202222121220210012111 |
4 | 13210213102211023 |
5 | 113122400103032 |
6 | 3422440123151 |
7 | 405323605531 |
oct | 74447224513 |
9 | 22877823174 |
10 | 8130472267 |
11 | 34a2492175 |
12 | 16aaa664b7 |
13 | 9c7595848 |
14 | 571b4c151 |
15 | 328bbdc47 |
hex | 1e49d294b |
8130472267 has 4 divisors (see below), whose sum is σ = 8558391880. Its totient is φ = 7702552656.
The previous prime is 8130472253. The next prime is 8130472271. The reversal of 8130472267 is 7622740318.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-8130472267 is a prime.
It is a super-2 number, since 2×81304722672 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8130472247) 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, 213959778 + ... + 213959815.
It is an arithmetic number, because the mean of its divisors is an integer number (2139597970).
Almost surely, 28130472267 is an apocalyptic number.
8130472267 is a deficient number, since it is larger than the sum of its proper divisors (427919613).
8130472267 is a wasteful number, since it uses less digits than its factorization.
8130472267 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 427919612.
The product of its (nonzero) digits is 112896, while the sum is 40.
The square root of 8130472267 is about 90169.1314530644. The cubic root of 8130472267 is about 2010.8141110300.
The spelling of 8130472267 in words is "eight billion, one hundred thirty million, four hundred seventy-two thousand, two hundred sixty-seven".
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