Base | Representation |
---|---|
bin | 110010011010011001… |
… | …100101001000101000 |
3 | 12011201102011010202020 |
4 | 302122121211020220 |
5 | 1341324240121040 |
6 | 40511133504440 |
7 | 3624251306154 |
oct | 623231451050 |
9 | 164642133666 |
10 | 54130004520 |
11 | 20a57a81629 |
12 | a5a8042120 |
13 | 51485abc97 |
14 | 2897046064 |
15 | 161c249cd0 |
hex | c9a665228 |
54130004520 has 128 divisors (see below), whose sum is σ = 171159868800. Its totient is φ = 13673913344.
The previous prime is 54130004497. The next prime is 54130004561. The reversal of 54130004520 is 2540003145.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37699 + ... + 331181.
It is an arithmetic number, because the mean of its divisors is an integer number (1337186475).
Almost surely, 254130004520 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 54130004520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85579934400).
54130004520 is an abundant number, since it is smaller than the sum of its proper divisors (117029864280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54130004520 is a wasteful number, since it uses less digits than its factorization.
54130004520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 293579 (or 293575 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 24.
Adding to 54130004520 its reverse (2540003145), we get a palindrome (56670007665).
The spelling of 54130004520 in words is "fifty-four billion, one hundred thirty million, four thousand, five hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •