Base | Representation |
---|---|
bin | 100110111101001… |
… | …0110101010011011 |
3 | 10101002121201211201 |
4 | 1031322112222123 |
5 | 10134112032221 |
6 | 333412335031 |
7 | 44251346662 |
oct | 11572265233 |
9 | 3332551751 |
10 | 1307142811 |
11 | 610936817 |
12 | 305914477 |
13 | 17aa691b0 |
14 | c585ddd9 |
15 | 79b51891 |
hex | 4de96a9b |
1307142811 has 8 divisors (see below), whose sum is σ = 1409597280. Its totient is φ = 1204960512.
The previous prime is 1307142797. The next prime is 1307142827. The reversal of 1307142811 is 1182417031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1307142811 - 29 = 1307142299 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1307142811.
It is not an unprimeable number, because it can be changed into a prime (1307142841) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58006 + ... + 77323.
It is an arithmetic number, because the mean of its divisors is an integer number (176199660).
Almost surely, 21307142811 is an apocalyptic number.
1307142811 is a deficient number, since it is larger than the sum of its proper divisors (102454469).
1307142811 is a wasteful number, since it uses less digits than its factorization.
1307142811 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136085.
The product of its (nonzero) digits is 1344, while the sum is 28.
The square root of 1307142811 is about 36154.4300328466. The cubic root of 1307142811 is about 1093.3881084268.
Adding to 1307142811 its reverse (1182417031), we get a palindrome (2489559842).
The spelling of 1307142811 in words is "one billion, three hundred seven million, one hundred forty-two thousand, eight hundred eleven".
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