Base | Representation |
---|---|
bin | 1100101110011011… |
… | …00110001001101110 |
3 | 122122010102000200000 |
4 | 12113031212021232 |
5 | 102442431003204 |
6 | 3045531045130 |
7 | 331205054502 |
oct | 62715461156 |
9 | 18563360600 |
10 | 6831891054 |
11 | 299647395a |
12 | 13a7ba07a6 |
13 | 84b5365b1 |
14 | 48b4ba302 |
15 | 29ebae039 |
hex | 19736626e |
6831891054 has 48 divisors (see below), whose sum is σ = 15602386800. Its totient is φ = 2239954560.
The previous prime is 6831891037. The next prime is 6831891061. The reversal of 6831891054 is 4501981386.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85579 + ... + 144870.
It is an arithmetic number, because the mean of its divisors is an integer number (325049725).
Almost surely, 26831891054 is an apocalyptic number.
6831891054 is an abundant number, since it is smaller than the sum of its proper divisors (8770495746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6831891054 is a wasteful number, since it uses less digits than its factorization.
6831891054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230527 (or 230515 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 45.
The square root of 6831891054 is about 82655.2542431514. The cubic root of 6831891054 is about 1897.4935605712.
The spelling of 6831891054 in words is "six billion, eight hundred thirty-one million, eight hundred ninety-one thousand, fifty-four".
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