Base | Representation |
---|---|
bin | 1001101010010110… |
… | …11000111100000000 |
3 | 111101111112021212222 |
4 | 10311023120330000 |
5 | 41110402123342 |
6 | 2214414310212 |
7 | 242354003045 |
oct | 46513307400 |
9 | 14344467788 |
10 | 5187145472 |
11 | 2222010193 |
12 | 10091b8368 |
13 | 648864c62 |
14 | 372c991cc |
15 | 2055c1ed2 |
hex | 1352d8f00 |
5187145472 has 54 divisors (see below), whose sum is σ = 10824059232. Its totient is φ = 2480743936.
The previous prime is 5187145471. The next prime is 5187145487. The reversal of 5187145472 is 2745417815.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5187145471) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116273 + ... + 154575.
Almost surely, 25187145472 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 5187145472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5412029616).
5187145472 is an abundant number, since it is smaller than the sum of its proper divisors (5636913760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5187145472 is an equidigital number, since it uses as much as digits as its factorization.
5187145472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38365 (or 38328 counting only the distinct ones).
The product of its digits is 313600, while the sum is 44.
The square root of 5187145472 is about 72021.8402430818. The cubic root of 5187145472 is about 1731.0494564683.
The spelling of 5187145472 in words is "five billion, one hundred eighty-seven million, one hundred forty-five thousand, four hundred seventy-two".
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