Base | Representation |
---|---|
bin | 1000011111100110011100… |
… | …11111010011011010010001 |
3 | 2110010121010200120121222220 |
4 | 10033303032133103122101 |
5 | 4422010001410143343 |
6 | 103420314014451253 |
7 | 3635303544303102 |
oct | 417631637233221 |
9 | 73117120517886 |
10 | 18677982115473 |
11 | 5a51318a7436a |
12 | 2117b02503b29 |
13 | a56431745075 |
14 | 48803a7d83a9 |
15 | 225ccce9d183 |
hex | 10fcce7d3691 |
18677982115473 has 8 divisors (see below), whose sum is σ = 24944208751200. Its totient is φ = 12431871778368.
The previous prime is 18677982115451. The next prime is 18677982115493. The reversal of 18677982115473 is 37451128977681.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 18677982115473 - 224 = 18677965338257 is a prime.
It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 18677982115398 and 18677982115407.
It is not an unprimeable number, because it can be changed into a prime (18677982115433) 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, 5029072488 + ... + 5029076201.
It is an arithmetic number, because the mean of its divisors is an integer number (3118026093900).
Almost surely, 218677982115473 is an apocalyptic number.
It is an amenable number.
18677982115473 is a deficient number, since it is larger than the sum of its proper divisors (6266226635727).
18677982115473 is a wasteful number, since it uses less digits than its factorization.
18677982115473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10058149311.
The product of its digits is 142248960, while the sum is 69.
The spelling of 18677982115473 in words is "eighteen trillion, six hundred seventy-seven billion, nine hundred eighty-two million, one hundred fifteen thousand, four hundred seventy-three".
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