Base | Representation |
---|---|
bin | 1011101001000101… |
… | …1011011111110010 |
3 | 22001210111010010212 |
4 | 2322101123133302 |
5 | 22400013200000 |
6 | 1234034224122 |
7 | 140305114553 |
oct | 27221333762 |
9 | 8053433125 |
10 | 3125131250 |
11 | 13640673aa |
12 | 732725042 |
13 | 3aa5b6bb7 |
14 | 21909a32a |
15 | 13455ec35 |
hex | ba45b7f2 |
3125131250 has 96 divisors (see below), whose sum is σ = 6310846080. Its totient is φ = 1156320000.
The previous prime is 3125131237. The next prime is 3125131283. The reversal of 3125131250 is 521315213.
It is a happy number.
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 47 ways as a sum of consecutive naturals, for example, 7118531 + ... + 7118969.
It is an arithmetic number, because the mean of its divisors is an integer number (65737980).
Almost surely, 23125131250 is an apocalyptic number.
3125131250 is an abundant number, since it is smaller than the sum of its proper divisors (3185714830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3125131250 is an equidigital number, since it uses as much as digits as its factorization.
3125131250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 550 (or 530 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 23.
The square root of 3125131250 is about 55902.8733608569. The cubic root of 3125131250 is about 1462.0293369441.
Adding to 3125131250 its reverse (521315213), we get a palindrome (3646446463).
The spelling of 3125131250 in words is "three billion, one hundred twenty-five million, one hundred thirty-one thousand, two hundred fifty".
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