Base | Representation |
---|---|
bin | 1110001001110111110… |
… | …1010100110011011101 |
3 | 212020122210222212221002 |
4 | 3202131331110303131 |
5 | 12441002034024420 |
6 | 303413203520045 |
7 | 23365636112153 |
oct | 3423575246335 |
9 | 766583885832 |
10 | 243168267485 |
11 | 94144169520 |
12 | 3b164689025 |
13 | 19c138ac810 |
14 | baab3773d3 |
15 | 64d318c075 |
hex | 389df54cdd |
243168267485 has 32 divisors (see below), whose sum is σ = 342861095808. Its totient is φ = 163224472320.
The previous prime is 243168267479. The next prime is 243168267539. The reversal of 243168267485 is 584762861342.
It is not a de Polignac number, because 243168267485 - 28 = 243168267229 is a prime.
It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 243168267485.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6991799 + ... + 7026491.
It is an arithmetic number, because the mean of its divisors is an integer number (10714409244).
Almost surely, 2243168267485 is an apocalyptic number.
It is an amenable number.
243168267485 is a deficient number, since it is larger than the sum of its proper divisors (99692828323).
243168267485 is a wasteful number, since it uses less digits than its factorization.
243168267485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44525.
The product of its digits is 15482880, while the sum is 56.
The spelling of 243168267485 in words is "two hundred forty-three billion, one hundred sixty-eight million, two hundred sixty-seven thousand, four hundred eighty-five".
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