Base | Representation |
---|---|
bin | 1011111001100111… |
… | …01001001100010100 |
3 | 121111020210201221200 |
4 | 11330303221030110 |
5 | 101041023131043 |
6 | 2533543512500 |
7 | 314215404510 |
oct | 57463511424 |
9 | 17436721850 |
10 | 6388880148 |
11 | 27893a1242 |
12 | 12a3758730 |
13 | 7aa815b71 |
14 | 44871b140 |
15 | 275d517d3 |
hex | 17cce9314 |
6388880148 has 144 divisors (see below), whose sum is σ = 19709813760. Its totient is φ = 1705536000.
The previous prime is 6388880137. The next prime is 6388880149. The reversal of 6388880148 is 8410888836.
It is a junction number, because it is equal to n+sod(n) for n = 6388880094 and 6388880103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6388880149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 212448 + ... + 240648.
Almost surely, 26388880148 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6388880148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9854906880).
6388880148 is an abundant number, since it is smaller than the sum of its proper divisors (13320933612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6388880148 is a wasteful number, since it uses less digits than its factorization.
6388880148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28278 (or 28273 counting only the distinct ones).
The product of its (nonzero) digits is 2359296, while the sum is 54.
The square root of 6388880148 is about 79930.4707104869. The cubic root of 6388880148 is about 1855.5596229796.
The spelling of 6388880148 in words is "six billion, three hundred eighty-eight million, eight hundred eighty thousand, one hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •