Base | Representation |
---|---|
bin | 1011101001000101… |
… | …0110110110111011 |
3 | 22001210110011002012 |
4 | 2322101112312323 |
5 | 22400012043001 |
6 | 1234034000135 |
7 | 140305005302 |
oct | 27221266673 |
9 | 8053404065 |
10 | 3125112251 |
11 | 13640540a8 |
12 | 73271604b |
13 | 3aa5ab361 |
14 | 219093439 |
15 | 1345592bb |
hex | ba456dbb |
3125112251 has 4 divisors (see below), whose sum is σ = 3125249400. Its totient is φ = 3124975104.
The previous prime is 3125112233. The next prime is 3125112253. The reversal of 3125112251 is 1522115213.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 3125112251 - 214 = 3125095867 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3125112253) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 25286 + ... + 83003.
It is an arithmetic number, because the mean of its divisors is an integer number (781312350).
Almost surely, 23125112251 is an apocalyptic number.
3125112251 is a deficient number, since it is larger than the sum of its proper divisors (137149).
3125112251 is a wasteful number, since it uses less digits than its factorization.
3125112251 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137148.
The product of its digits is 600, while the sum is 23.
The square root of 3125112251 is about 55902.7034319450. The cubic root of 3125112251 is about 1462.0263741723.
Adding to 3125112251 its reverse (1522115213), we get a palindrome (4647227464).
The spelling of 3125112251 in words is "three billion, one hundred twenty-five million, one hundred twelve thousand, two hundred fifty-one".
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