Base | Representation |
---|---|
bin | 1100110001011101… |
… | …10111010101101011 |
3 | 122200220101110211220 |
4 | 12120232313111223 |
5 | 103020442430134 |
6 | 3052241353123 |
7 | 331634563656 |
oct | 63056672553 |
9 | 18626343756 |
10 | 6857389419 |
11 | 29a98aa191 |
12 | 13b46387a3 |
13 | 8538c359a |
14 | 490a3689d |
15 | 2a2049149 |
hex | 198bb756b |
6857389419 has 8 divisors (see below), whose sum is σ = 9159257040. Its totient is φ = 4563557376.
The previous prime is 6857389249. The next prime is 6857389423. The reversal of 6857389419 is 9149837586.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 6857389419 - 28 = 6857389163 is a prime.
It is a super-2 number, since 2×68573894192 = 94047579287626315122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (6857387419) 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, 2006902 + ... + 2010315.
It is an arithmetic number, because the mean of its divisors is an integer number (1144907130).
Almost surely, 26857389419 is an apocalyptic number.
6857389419 is a deficient number, since it is larger than the sum of its proper divisors (2301867621).
6857389419 is a wasteful number, since it uses less digits than its factorization.
6857389419 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4017789.
The product of its digits is 13063680, while the sum is 60.
The square root of 6857389419 is about 82809.3558663512. The cubic root of 6857389419 is about 1899.8512735847.
The spelling of 6857389419 in words is "six billion, eight hundred fifty-seven million, three hundred eighty-nine thousand, four hundred nineteen".
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