Base | Representation |
---|---|
bin | 1100110111000001… |
… | …11110100111010111 |
3 | 122211011020122110100 |
4 | 12123200332213113 |
5 | 103114421041410 |
6 | 3101030225143 |
7 | 333042501420 |
oct | 63340764727 |
9 | 18734218410 |
10 | 6904080855 |
11 | 2a231a0151 |
12 | 14081b51b3 |
13 | 860490a59 |
14 | 496d0c647 |
15 | 2a61bd8c0 |
hex | 19b83e9d7 |
6904080855 has 48 divisors (see below), whose sum is σ = 13684230144. Its totient is φ = 3154403520.
The previous prime is 6904080853. The next prime is 6904080871. The reversal of 6904080855 is 5580804096.
It is not a de Polignac number, because 6904080855 - 21 = 6904080853 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 6904080855.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6904080853) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 690240 + ... + 700170.
It is an arithmetic number, because the mean of its divisors is an integer number (285088128).
Almost surely, 26904080855 is an apocalyptic number.
6904080855 is a deficient number, since it is larger than the sum of its proper divisors (6780149289).
6904080855 is a wasteful number, since it uses less digits than its factorization.
6904080855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12156 (or 12153 counting only the distinct ones).
The product of its (nonzero) digits is 345600, while the sum is 45.
The square root of 6904080855 is about 83090.7988588388. The cubic root of 6904080855 is about 1904.1535040856.
The spelling of 6904080855 in words is "six billion, nine hundred four million, eighty thousand, eight hundred fifty-five".
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