Base | Representation |
---|---|
bin | 100010000111111… |
… | …0111011101111111 |
3 | 2221210112112111112 |
4 | 1010033313131333 |
5 | 4321110310142 |
6 | 305341312235 |
7 | 40242265466 |
oct | 10417673577 |
9 | 2853475445 |
10 | 1145010047 |
11 | 538367aa5 |
12 | 27b56567b |
13 | 1532aca4c |
14 | ac0d79dd |
15 | 6a7c7382 |
hex | 443f777f |
1145010047 has 4 divisors (see below), whose sum is σ = 1151005056. Its totient is φ = 1139015040.
The previous prime is 1145010007. The next prime is 1145010073. The reversal of 1145010047 is 7400105411.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1145010047 - 28 = 1145009791 is a prime.
It is a super-2 number, since 2×11450100472 = 2622096015461884418, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1145010007) 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, 2997218 + ... + 2997599.
It is an arithmetic number, because the mean of its divisors is an integer number (287751264).
Almost surely, 21145010047 is an apocalyptic number.
1145010047 is a deficient number, since it is larger than the sum of its proper divisors (5995009).
1145010047 is an equidigital number, since it uses as much as digits as its factorization.
1145010047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5995008.
The product of its (nonzero) digits is 560, while the sum is 23.
The square root of 1145010047 is about 33837.9970890713. The cubic root of 1145010047 is about 1046.1720165389.
Adding to 1145010047 its reverse (7400105411), we get a palindrome (8545115458).
The spelling of 1145010047 in words is "one billion, one hundred forty-five million, ten thousand, forty-seven".
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