Base | Representation |
---|---|
bin | 111110111110100… |
… | …0010010001111101 |
3 | 12110021021020202112 |
4 | 1331331002101331 |
5 | 13311431332000 |
6 | 545404103405 |
7 | 103236332240 |
oct | 17575022175 |
9 | 5407236675 |
10 | 2113152125 |
11 | 994901517 |
12 | 4ab834b65 |
13 | 278a44396 |
14 | 160911257 |
15 | c57b4235 |
hex | 7df4247d |
2113152125 has 16 divisors (see below), whose sum is σ = 3013959936. Its totient is φ = 1449018000.
The previous prime is 2113152113. The next prime is 2113152133. The reversal of 2113152125 is 5212513112.
It is not a de Polignac number, because 2113152125 - 218 = 2112889981 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2113152125.
It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 1206641 + ... + 1208390.
It is an arithmetic number, because the mean of its divisors is an integer number (188372496).
Almost surely, 22113152125 is an apocalyptic number.
2113152125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2113152125 is a deficient number, since it is larger than the sum of its proper divisors (900807811).
2113152125 is an equidigital number, since it uses as much as digits as its factorization.
2113152125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2415053 (or 2415043 counting only the distinct ones).
The product of its digits is 600, while the sum is 23.
The square root of 2113152125 is about 45969.0344144838. The cubic root of 2113152125 is about 1283.2469901243.
Adding to 2113152125 its reverse (5212513112), we get a palindrome (7325665237).
The spelling of 2113152125 in words is "two billion, one hundred thirteen million, one hundred fifty-two thousand, one hundred twenty-five".
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