Base | Representation |
---|---|
bin | 1100011011011100… |
… | …00001001111101000 |
3 | 122020000201010202111 |
4 | 12031232001033220 |
5 | 102131142242342 |
6 | 3022041212104 |
7 | 324232215112 |
oct | 61556011750 |
9 | 18200633674 |
10 | 6672618472 |
11 | 2914579023 |
12 | 1362791034 |
13 | 82453bc70 |
14 | 47429a3b2 |
15 | 290bec217 |
hex | 18db813e8 |
6672618472 has 64 divisors (see below), whose sum is σ = 13858160400. Its totient is φ = 2992373760.
The previous prime is 6672618451. The next prime is 6672618523. The reversal of 6672618472 is 2748162766.
It can be written as a sum of positive squares in 8 ways, for example, as 1493513316 + 5179105156 = 38646^2 + 71966^2 .
It is a super-2 number, since 2×66726184722 = 89047674545751229568, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1092804 + ... + 1098892.
Almost surely, 26672618472 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 6672618472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6929080200).
6672618472 is an abundant number, since it is smaller than the sum of its proper divisors (7185541928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6672618472 is a wasteful number, since it uses less digits than its factorization.
6672618472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6406 (or 6402 counting only the distinct ones).
The product of its digits is 1354752, while the sum is 49.
The square root of 6672618472 is about 81686.0971769370. The cubic root of 6672618472 is about 1882.6319774940.
The spelling of 6672618472 in words is "six billion, six hundred seventy-two million, six hundred eighteen thousand, four hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •