Base | Representation |
---|---|
bin | 1100001011111000… |
… | …01110000110010101 |
3 | 121212221011022012011 |
4 | 12011330032012111 |
5 | 101344240422123 |
6 | 3001100224221 |
7 | 321056063050 |
oct | 60574160625 |
9 | 17787138164 |
10 | 6542123413 |
11 | 2857949171 |
12 | 1326b3b071 |
13 | 8034ac057 |
14 | 460c0ba97 |
15 | 284521e0d |
hex | 185f0e195 |
6542123413 has 8 divisors (see below), whose sum is σ = 7916519232. Its totient is φ = 5277679296.
The previous prime is 6542123353. The next prime is 6542123449. The reversal of 6542123413 is 3143212456.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-6542123413 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6542123113) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27487795 + ... + 27488032.
It is an arithmetic number, because the mean of its divisors is an integer number (989564904).
Almost surely, 26542123413 is an apocalyptic number.
It is an amenable number.
6542123413 is a deficient number, since it is larger than the sum of its proper divisors (1374395819).
6542123413 is a wasteful number, since it uses less digits than its factorization.
6542123413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54975851.
The product of its digits is 17280, while the sum is 31.
The square root of 6542123413 is about 80883.3939260711. The cubic root of 6542123413 is about 1870.2783397061.
Adding to 6542123413 its reverse (3143212456), we get a palindrome (9685335869).
The spelling of 6542123413 in words is "six billion, five hundred forty-two million, one hundred twenty-three thousand, four hundred thirteen".
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