Base | Representation |
---|---|
bin | 1011011110100011… |
… | …00011010001111111 |
3 | 120220102120212100211 |
4 | 11233101203101333 |
5 | 100104412323411 |
6 | 2455233333251 |
7 | 305460524602 |
oct | 55721432177 |
9 | 16812525324 |
10 | 6161839231 |
11 | 268221a019 |
12 | 123b707227 |
13 | 772781722 |
14 | 4264da339 |
15 | 260e55221 |
hex | 16f46347f |
6161839231 has 2 divisors, whose sum is σ = 6161839232. Its totient is φ = 6161839230.
The previous prime is 6161839223. The next prime is 6161839249. The reversal of 6161839231 is 1329381616.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 6161839231 - 23 = 6161839223 is a prime.
It is a super-2 number, since 2×61618392312 = 75936525417381342722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6161839531) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080919615 + 3080919616.
It is an arithmetic number, because the mean of its divisors is an integer number (3080919616).
Almost surely, 26161839231 is an apocalyptic number.
6161839231 is a deficient number, since it is larger than the sum of its proper divisors (1).
6161839231 is an equidigital number, since it uses as much as digits as its factorization.
6161839231 is an evil number, because the sum of its binary digits is even.
The product of its digits is 46656, while the sum is 40.
The square root of 6161839231 is about 78497.3835933402. The cubic root of 6161839231 is about 1833.3137159958.
The spelling of 6161839231 in words is "six billion, one hundred sixty-one million, eight hundred thirty-nine thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •