Base | Representation |
---|---|
bin | 10000110100001101… |
… | …000100101101110111 |
3 | 1201121100000011222112 |
4 | 100310031010231313 |
5 | 243434230232412 |
6 | 12143352321235 |
7 | 1206303005423 |
oct | 206415045567 |
9 | 51540004875 |
10 | 18055711607 |
11 | 7725a8440a |
12 | 35ba9a321b |
13 | 191993862b |
14 | c33dadb83 |
15 | 70a210722 |
hex | 434344b77 |
18055711607 has 4 divisors (see below), whose sum is σ = 18057159120. Its totient is φ = 18054264096.
The previous prime is 18055711573. The next prime is 18055711633. The reversal of 18055711607 is 70611755081.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 18055711607 - 212 = 18055707511 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18055711657) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704882 + ... + 730047.
It is an arithmetic number, because the mean of its divisors is an integer number (4514289780).
Almost surely, 218055711607 is an apocalyptic number.
18055711607 is a deficient number, since it is larger than the sum of its proper divisors (1447513).
18055711607 is a wasteful number, since it uses less digits than its factorization.
18055711607 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1447512.
The product of its (nonzero) digits is 58800, while the sum is 41.
The spelling of 18055711607 in words is "eighteen billion, fifty-five million, seven hundred eleven thousand, six hundred seven".
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