Base | Representation |
---|---|
bin | 100010101101100110011… |
… | …000100110000111010001 |
3 | 22110001012100011210202212 |
4 | 202231212120212013101 |
5 | 303040322142313011 |
6 | 5023503211121505 |
7 | 334225021214330 |
oct | 42554630460721 |
9 | 8401170153685 |
10 | 2385424572881 |
11 | 83a71aa90049 |
12 | 326389a43295 |
13 | 143c382bc90c |
14 | 83652d8bd17 |
15 | 420b4ecb08b |
hex | 22b666261d1 |
2385424572881 has 16 divisors (see below), whose sum is σ = 2815192195200. Its totient is φ = 1978777600128.
The previous prime is 2385424572859. The next prime is 2385424572893. The reversal of 2385424572881 is 1882754245832.
It is a de Polignac number, because none of the positive numbers 2k-2385424572881 is a prime.
It is a super-2 number, since 2×23854245728812 (a number of 26 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2385424572881.
It is not an unprimeable number, because it can be changed into a prime (2385424575881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36320396 + ... + 36386013.
It is an arithmetic number, because the mean of its divisors is an integer number (175949512200).
Almost surely, 22385424572881 is an apocalyptic number.
It is an amenable number.
2385424572881 is a deficient number, since it is larger than the sum of its proper divisors (429767622319).
2385424572881 is a wasteful number, since it uses less digits than its factorization.
2385424572881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72706568.
The product of its digits is 34406400, while the sum is 59.
The spelling of 2385424572881 in words is "two trillion, three hundred eighty-five billion, four hundred twenty-four million, five hundred seventy-two thousand, eight hundred eighty-one".
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