Base | Representation |
---|---|
bin | 10001000111000011… |
… | …000000111010101011 |
3 | 1202102100212020221202 |
4 | 101013003000322223 |
5 | 300111142413312 |
6 | 12235004154415 |
7 | 1220162035502 |
oct | 210703007253 |
9 | 52370766852 |
10 | 18371841707 |
11 | 787847565a |
12 | 3688838a0b |
13 | 196a29326b |
14 | c63d81839 |
15 | 727d589c2 |
hex | 4470c0eab |
18371841707 has 16 divisors (see below), whose sum is σ = 20211314400. Its totient is φ = 16621893120.
The previous prime is 18371841701. The next prime is 18371841737. The reversal of 18371841707 is 70714817381.
It is a cyclic number.
It is not a de Polignac number, because 18371841707 - 28 = 18371841451 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18371841701) 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, 31532 + ... + 194262.
It is an arithmetic number, because the mean of its divisors is an integer number (1263207150).
Almost surely, 218371841707 is an apocalyptic number.
18371841707 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
18371841707 is a deficient number, since it is larger than the sum of its proper divisors (1839472693).
18371841707 is a wasteful number, since it uses less digits than its factorization.
18371841707 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163006.
The product of its (nonzero) digits is 263424, while the sum is 47.
The spelling of 18371841707 in words is "eighteen billion, three hundred seventy-one million, eight hundred forty-one thousand, seven hundred seven".
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