Base | Representation |
---|---|
bin | 1011001111000000… |
… | …10000111001101101 |
3 | 120120100021211220012 |
4 | 11213200100321231 |
5 | 44323024302011 |
6 | 2434255303005 |
7 | 302315502035 |
oct | 54740207155 |
9 | 16510254805 |
10 | 6031478381 |
11 | 2615680a85 |
12 | 1203b1aa65 |
13 | 75176a926 |
14 | 4130848c5 |
15 | 2547a4a8b |
hex | 167810e6d |
6031478381 has 2 divisors, whose sum is σ = 6031478382. Its totient is φ = 6031478380.
The previous prime is 6031478357. The next prime is 6031478423. The reversal of 6031478381 is 1838741306.
6031478381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 4716255625 + 1315222756 = 68675^2 + 36266^2 .
It is a cyclic number.
It is not a de Polignac number, because 6031478381 - 26 = 6031478317 is a prime.
It is a super-2 number, since 2×60314783812 = 72757462920940762322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6031478681) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3015739190 + 3015739191.
It is an arithmetic number, because the mean of its divisors is an integer number (3015739191).
Almost surely, 26031478381 is an apocalyptic number.
It is an amenable number.
6031478381 is a deficient number, since it is larger than the sum of its proper divisors (1).
6031478381 is an equidigital number, since it uses as much as digits as its factorization.
6031478381 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96768, while the sum is 41.
The square root of 6031478381 is about 77662.5931900294. The cubic root of 6031478381 is about 1820.2928302522.
The spelling of 6031478381 in words is "six billion, thirty-one million, four hundred seventy-eight thousand, three hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •