Base | Representation |
---|---|
bin | 1000001100011001011011… |
… | …00001000011111000101011 |
3 | 2100210111222221202202110111 |
4 | 10012030231201003320223 |
5 | 4330202133232314412 |
6 | 102153231405355151 |
7 | 3536524406206366 |
oct | 406145541037053 |
9 | 70714887682414 |
10 | 18018151448107 |
11 | 581750083a938 |
12 | 2030056568ab7 |
13 | a09148468005 |
14 | 46412437d0dd |
15 | 213a606ca2a7 |
hex | 10632d843e2b |
18018151448107 has 8 divisors (see below), whose sum is σ = 18114032401920. Its totient is φ = 17922441254760.
The previous prime is 18018151448083. The next prime is 18018151448117. The reversal of 18018151448107 is 70184415181081.
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 18018151448107 - 211 = 18018151446059 is a prime.
It is a super-2 number, since 2×180181514481072 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18018151448117) 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, 42478519 + ... + 42900592.
It is an arithmetic number, because the mean of its divisors is an integer number (2264254050240).
Almost surely, 218018151448107 is an apocalyptic number.
18018151448107 is a deficient number, since it is larger than the sum of its proper divisors (95880953813).
18018151448107 is an equidigital number, since it uses as much as digits as its factorization.
18018151448107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85380233.
The product of its (nonzero) digits is 286720, while the sum is 49.
The spelling of 18018151448107 in words is "eighteen trillion, eighteen billion, one hundred fifty-one million, four hundred forty-eight thousand, one hundred seven".
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