Base | Representation |
---|---|
bin | 1111001000100111… |
… | …10010101111101010 |
3 | 202222021022010001010 |
4 | 13210103302233222 |
5 | 113120043024010 |
6 | 3422134404350 |
7 | 405232300335 |
oct | 74423625752 |
9 | 22867263033 |
10 | 8125361130 |
11 | 349a611097 |
12 | 16a92006b6 |
13 | 9c64c62c3 |
14 | 5711bb61c |
15 | 32850e620 |
hex | 1e44f2bea |
8125361130 has 64 divisors (see below), whose sum is σ = 19611123840. Its totient is φ = 2154552576.
The previous prime is 8125361117. The next prime is 8125361147. The reversal of 8125361130 is 311635218.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4687744 + ... + 4689476.
It is an arithmetic number, because the mean of its divisors is an integer number (306423810).
Almost surely, 28125361130 is an apocalyptic number.
8125361130 is an abundant number, since it is smaller than the sum of its proper divisors (11485762710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8125361130 is a wasteful number, since it uses less digits than its factorization.
8125361130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2535.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 8125361130 is about 90140.7850531600. The cubic root of 8125361130 is about 2010.3926635649.
Adding to 8125361130 its reverse (311635218), we get a palindrome (8436996348).
The spelling of 8125361130 in words is "eight billion, one hundred twenty-five million, three hundred sixty-one thousand, one hundred thirty".
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