Base | Representation |
---|---|
bin | 101000100101011… |
… | …1100100110001011 |
3 | 10111220111211112002 |
4 | 1101022330212023 |
5 | 10242111333024 |
6 | 343044341215 |
7 | 45514212524 |
oct | 12112744613 |
9 | 3456454462 |
10 | 1361824139 |
11 | 6397946a5 |
12 | 3200a480b |
13 | 1891a3300 |
14 | ccc1584b |
15 | 7e8536ae |
hex | 512bc98b |
1361824139 has 12 divisors (see below), whose sum is σ = 1475931600. Its totient is φ = 1255965984.
The previous prime is 1361824129. The next prime is 1361824169. The reversal of 1361824139 is 9314281631.
It is not a de Polignac number, because 1361824139 - 216 = 1361758603 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1361824129) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238682 + ... + 244320.
It is an arithmetic number, because the mean of its divisors is an integer number (122994300).
Almost surely, 21361824139 is an apocalyptic number.
1361824139 is a deficient number, since it is larger than the sum of its proper divisors (114107461).
1361824139 is a wasteful number, since it uses less digits than its factorization.
1361824139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7094 (or 7081 counting only the distinct ones).
The product of its digits is 31104, while the sum is 38.
The square root of 1361824139 is about 36902.9014983917. The cubic root of 1361824139 is about 1108.4267784154.
The spelling of 1361824139 in words is "one billion, three hundred sixty-one million, eight hundred twenty-four thousand, one hundred thirty-nine".
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