Base | Representation |
---|---|
bin | 1011100000101101… |
… | …10101010000110011 |
3 | 120221200202120101020 |
4 | 11300112311100303 |
5 | 100124040011234 |
6 | 2501122510523 |
7 | 306101066046 |
oct | 56026652063 |
9 | 16850676336 |
10 | 6180000819 |
11 | 26914a40a3 |
12 | 1245805443 |
13 | 776470125 |
14 | 428aa6c5d |
15 | 262841549 |
hex | 1705b5433 |
6180000819 has 32 divisors (see below), whose sum is σ = 8778792960. Its totient is φ = 3856068000.
The previous prime is 6180000811. The next prime is 6180000823. The reversal of 6180000819 is 9180000816.
It is not a de Polignac number, because 6180000819 - 23 = 6180000811 is a prime.
It is a super-2 number, since 2×61800008192 = 76384820245681341522, which contains 22 as substring.
6180000819 is a strobogrammatic number because it is the same when read upside-down.
It is a self number, because there is not a number n which added to its sum of digits gives 6180000819.
It is not an unprimeable number, because it can be changed into a prime (6180000811) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2627494 + ... + 2629844.
It is an arithmetic number, because the mean of its divisors is an integer number (274337280).
Almost surely, 26180000819 is an apocalyptic number.
6180000819 is a deficient number, since it is larger than the sum of its proper divisors (2598792141).
6180000819 is a wasteful number, since it uses less digits than its factorization.
6180000819 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2911.
The product of its (nonzero) digits is 3456, while the sum is 33.
The square root of 6180000819 is about 78612.9812371977. The cubic root of 6180000819 is about 1835.1131370327.
The spelling of 6180000819 in words is "six billion, one hundred eighty million, eight hundred nineteen", and thus it is an aban number.
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