Base | Representation |
---|---|
bin | 110010000100010101000… |
… | …0000101001101001111110 |
3 | 220100211200121121221022020 |
4 | 1210020222000221221332 |
5 | 1400220241030000021 |
6 | 22345111002301010 |
7 | 1310103413336100 |
oct | 144105200515176 |
9 | 26324617557266 |
10 | 6881242421886 |
11 | 2213355a54178 |
12 | 93176a1b7766 |
13 | 3abb8a969751 |
14 | 19b0a7d03570 |
15 | bdee48637c6 |
hex | 6422a029a7e |
6881242421886 has 96 divisors (see below), whose sum is σ = 16142224589568. Its totient is φ = 1949779802880.
The previous prime is 6881242421869. The next prime is 6881242421891.
6881242421886 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59369206 + ... + 59484998.
It is an arithmetic number, because the mean of its divisors is an integer number (168148172808).
Almost surely, 26881242421886 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6881242421886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8071112294784).
6881242421886 is an abundant number, since it is smaller than the sum of its proper divisors (9260982167682).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6881242421886 is a wasteful number, since it uses less digits than its factorization.
6881242421886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117486 (or 117479 counting only the distinct ones).
The product of its digits is 18874368, while the sum is 60.
The spelling of 6881242421886 in words is "six trillion, eight hundred eighty-one billion, two hundred forty-two million, four hundred twenty-one thousand, eight hundred eighty-six".
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