Base | Representation |
---|---|
bin | 1010000111010100… |
… | …10011000010101111 |
3 | 112000102202010101001 |
4 | 11003222103002233 |
5 | 42110103110230 |
6 | 2254454301131 |
7 | 251364222226 |
oct | 50352230257 |
9 | 15012663331 |
10 | 5430128815 |
11 | 2337191171 |
12 | 10766577a7 |
13 | 686cbb997 |
14 | 397269cbd |
15 | 21babc0ca |
hex | 143a930af |
5430128815 has 8 divisors (see below), whose sum is σ = 6565897008. Its totient is φ = 4310941440.
The previous prime is 5430128801. The next prime is 5430128839. The reversal of 5430128815 is 5188210345.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 5430128815 - 25 = 5430128783 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4144482 + ... + 4145791.
It is an arithmetic number, because the mean of its divisors is an integer number (820737126).
Almost surely, 25430128815 is an apocalyptic number.
5430128815 is a deficient number, since it is larger than the sum of its proper divisors (1135768193).
5430128815 is a wasteful number, since it uses less digits than its factorization.
5430128815 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8290409.
The product of its (nonzero) digits is 38400, while the sum is 37.
The square root of 5430128815 is about 73689.4077530821. The cubic root of 5430128815 is about 1757.6674522618.
The spelling of 5430128815 in words is "five billion, four hundred thirty million, one hundred twenty-eight thousand, eight hundred fifteen".
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