Base | Representation |
---|---|
bin | 100111001110010… |
… | …1000111101010111 |
3 | 10101201112100211112 |
4 | 1032130220331113 |
5 | 10143412140042 |
6 | 334333125235 |
7 | 44420632406 |
oct | 11634507527 |
9 | 3351470745 |
10 | 1316130647 |
11 | 615a15487 |
12 | 30892981b |
13 | 17c895140 |
14 | c6b1d63d |
15 | 7a829982 |
hex | 4e728f57 |
1316130647 has 16 divisors (see below), whose sum is σ = 1448197632. Its totient is φ = 1188712800.
The previous prime is 1316130619. The next prime is 1316130661. The reversal of 1316130647 is 7460316131.
It is a cyclic number.
It is not a de Polignac number, because 1316130647 - 220 = 1315082071 is a prime.
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1316130617) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126518 + ... + 136524.
It is an arithmetic number, because the mean of its divisors is an integer number (90512352).
Almost surely, 21316130647 is an apocalyptic number.
1316130647 is a deficient number, since it is larger than the sum of its proper divisors (132066985).
1316130647 is a wasteful number, since it uses less digits than its factorization.
1316130647 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10238.
The product of its (nonzero) digits is 9072, while the sum is 32.
The square root of 1316130647 is about 36278.5149503118. The cubic root of 1316130647 is about 1095.8884103160. Note that the first 3 decimals are identical.
Adding to 1316130647 its reverse (7460316131), we get a palindrome (8776446778).
The spelling of 1316130647 in words is "one billion, three hundred sixteen million, one hundred thirty thousand, six hundred forty-seven".
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