Base | Representation |
---|---|
bin | 110010001001110001011… |
… | …1010111011110011000001 |
3 | 220101221212110121022020021 |
4 | 1210103202322323303001 |
5 | 1400413212232033011 |
6 | 22354323115213441 |
7 | 1310666226514000 |
oct | 144234272736301 |
9 | 26357773538207 |
10 | 6892934642881 |
11 | 22183059a8931 |
12 | 933a91a47281 |
13 | 3b000210b801 |
14 | 19b896ac4c37 |
15 | be47b08a471 |
hex | 644e2ebbcc1 |
6892934642881 has 16 divisors (see below), whose sum is σ = 8043429254400. Its totient is φ = 5904538886400.
The previous prime is 6892934642861. The next prime is 6892934642911. The reversal of 6892934642881 is 1882464392986.
It is a de Polignac number, because none of the positive numbers 2k-6892934642881 is a prime.
It is a super-2 number, since 2×68929346428812 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 6892934642881.
It is not an unprimeable number, because it can be changed into a prime (6892934642861) 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, 5726941 + ... + 6825226.
It is an arithmetic number, because the mean of its divisors is an integer number (502714328400).
Almost surely, 26892934642881 is an apocalyptic number.
It is an amenable number.
6892934642881 is a deficient number, since it is larger than the sum of its proper divisors (1150494611519).
6892934642881 is a wasteful number, since it uses less digits than its factorization.
6892934642881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12553789 (or 12553775 counting only the distinct ones).
The product of its digits is 286654464, while the sum is 70.
The spelling of 6892934642881 in words is "six trillion, eight hundred ninety-two billion, nine hundred thirty-four million, six hundred forty-two thousand, eight hundred eighty-one".
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