Base | Representation |
---|---|
bin | 1100110011010011… |
… | …10111001001100101 |
3 | 122201222111012211102 |
4 | 12121221313021211 |
5 | 103033422331031 |
6 | 3053553045445 |
7 | 332213206355 |
oct | 63151671145 |
9 | 18658435742 |
10 | 6872855141 |
11 | 2a07602879 |
12 | 13b9856885 |
13 | 856b79bb9 |
14 | 492b00b65 |
15 | 2a35a17cb |
hex | 199a77265 |
6872855141 has 2 divisors, whose sum is σ = 6872855142. Its totient is φ = 6872855140.
The previous prime is 6872855131. The next prime is 6872855267. The reversal of 6872855141 is 1415582786.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6854184100 + 18671041 = 82790^2 + 4321^2 .
It is a cyclic number.
It is not a de Polignac number, because 6872855141 - 222 = 6868660837 is a prime.
It is a super-2 number, since 2×68728551412 = 94472275578340259762, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6872855131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3436427570 + 3436427571.
It is an arithmetic number, because the mean of its divisors is an integer number (3436427571).
Almost surely, 26872855141 is an apocalyptic number.
It is an amenable number.
6872855141 is a deficient number, since it is larger than the sum of its proper divisors (1).
6872855141 is an equidigital number, since it uses as much as digits as its factorization.
6872855141 is an evil number, because the sum of its binary digits is even.
The product of its digits is 537600, while the sum is 47.
The square root of 6872855141 is about 82902.6847635226. The cubic root of 6872855141 is about 1901.2784692847.
The spelling of 6872855141 in words is "six billion, eight hundred seventy-two million, eight hundred fifty-five thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •