Base | Representation |
---|---|
bin | 1101010011100000… |
… | …00111010111101011 |
3 | 200102210200102202020 |
4 | 12221300013113223 |
5 | 104112042224044 |
6 | 3140441435523 |
7 | 342002621340 |
oct | 65160072753 |
9 | 20383612666 |
10 | 7142929899 |
11 | 3035aa7a56 |
12 | 147419bba3 |
13 | 89aacaa51 |
14 | 4ba9247c7 |
15 | 2bc14da19 |
hex | 1a9c075eb |
7142929899 has 16 divisors (see below), whose sum is σ = 11524727808. Its totient is φ = 3841575552.
The previous prime is 7142929879. The next prime is 7142929921. The reversal of 7142929899 is 9989292417.
It is not a de Polignac number, because 7142929899 - 215 = 7142897131 is a prime.
It is not an unprimeable number, because it can be changed into a prime (7142929879) 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, 10003747 + ... + 10004460.
It is an arithmetic number, because the mean of its divisors is an integer number (720295488).
Almost surely, 27142929899 is an apocalyptic number.
7142929899 is a deficient number, since it is larger than the sum of its proper divisors (4381797909).
7142929899 is a wasteful number, since it uses less digits than its factorization.
7142929899 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20008234.
The product of its digits is 5878656, while the sum is 60.
The square root of 7142929899 is about 84515.8559029014. The cubic root of 7142929899 is about 1925.8633243678.
The spelling of 7142929899 in words is "seven billion, one hundred forty-two million, nine hundred twenty-nine thousand, eight hundred ninety-nine".
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