Base | Representation |
---|---|
bin | 1100101000011111… |
… | …11000000011100110 |
3 | 122111122211021102010 |
4 | 12110033320003212 |
5 | 102342213011110 |
6 | 3040553055050 |
7 | 330032245365 |
oct | 62417700346 |
9 | 18448737363 |
10 | 6782157030 |
11 | 2970394a60 |
12 | 13933b7486 |
13 | 84114228c |
14 | 484a517dc |
15 | 29a638020 |
hex | 1943f80e6 |
6782157030 has 64 divisors (see below), whose sum is σ = 17849092608. Its totient is φ = 1635624960.
The previous prime is 6782157023. The next prime is 6782157071. The reversal of 6782157030 is 307512876.
It is a self number, because there is not a number n which added to its sum of digits gives 6782157030.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10447 + ... + 116933.
It is an arithmetic number, because the mean of its divisors is an integer number (278892072).
Almost surely, 26782157030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6782157030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8924546304).
6782157030 is an abundant number, since it is smaller than the sum of its proper divisors (11066935578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6782157030 is a wasteful number, since it uses less digits than its factorization.
6782157030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106701.
The product of its (nonzero) digits is 70560, while the sum is 39.
The square root of 6782157030 is about 82353.8525510495. The cubic root of 6782157030 is about 1892.8779563502.
The spelling of 6782157030 in words is "six billion, seven hundred eighty-two million, one hundred fifty-seven thousand, thirty".
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