Base | Representation |
---|---|
bin | 1101001111011110… |
… | …01101001011111101 |
3 | 200100110002120210220 |
4 | 12213233031023331 |
5 | 104024414342044 |
6 | 3133233251553 |
7 | 341112445242 |
oct | 64757151375 |
9 | 20313076726 |
10 | 7109137149 |
11 | 3018a16a64 |
12 | 1464a03bb9 |
13 | 893ac863a |
14 | 4b62495c9 |
15 | 2b91c6019 |
hex | 1a7bcd2fd |
7109137149 has 8 divisors (see below), whose sum is σ = 9710041152. Its totient is φ = 4623828960.
The previous prime is 7109137141. The next prime is 7109137151. The reversal of 7109137149 is 9417319017.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 7109137149 - 23 = 7109137141 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 7109137149.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7109137141) 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, 28898809 + ... + 28899054.
It is an arithmetic number, because the mean of its divisors is an integer number (1213755144).
Almost surely, 27109137149 is an apocalyptic number.
It is an amenable number.
7109137149 is a deficient number, since it is larger than the sum of its proper divisors (2600904003).
7109137149 is a wasteful number, since it uses less digits than its factorization.
7109137149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57797907.
The product of its (nonzero) digits is 47628, while the sum is 42.
The square root of 7109137149 is about 84315.6993032733. The cubic root of 7109137149 is about 1922.8214764844.
The spelling of 7109137149 in words is "seven billion, one hundred nine million, one hundred thirty-seven thousand, one hundred forty-nine".
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