Base | Representation |
---|---|
bin | 1100110000011110… |
… | …01000011000101110 |
3 | 122200022201211121220 |
4 | 12120033020120232 |
5 | 103011330230023 |
6 | 3051343204210 |
7 | 331504065654 |
oct | 63017103056 |
9 | 18608654556 |
10 | 6849070638 |
11 | 29a5138163 |
12 | 13b18a6666 |
13 | 851c70027 |
14 | 48d8acdd4 |
15 | 2a14543e3 |
hex | 1983c862e |
6849070638 has 16 divisors (see below), whose sum is σ = 14419096320. Its totient is φ = 2162864376.
The previous prime is 6849070607. The next prime is 6849070643. The reversal of 6849070638 is 8360709486.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30039670 + ... + 30039897.
It is an arithmetic number, because the mean of its divisors is an integer number (901193520).
Almost surely, 26849070638 is an apocalyptic number.
6849070638 is an abundant number, since it is smaller than the sum of its proper divisors (7570025682).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6849070638 is a wasteful number, since it uses less digits than its factorization.
6849070638 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60079591.
The product of its (nonzero) digits is 1741824, while the sum is 51.
The square root of 6849070638 is about 82759.1121146185. The cubic root of 6849070638 is about 1899.0827186300.
It can be divided in two parts, 68490 and 70638, that added together give a triangular number (139128 = T527).
The spelling of 6849070638 in words is "six billion, eight hundred forty-nine million, seventy thousand, six hundred thirty-eight".
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