Base | Representation |
---|---|
bin | 11101101100001000010… |
… | …00010000001111001101 |
3 | 10121112010012021211001121 |
4 | 32312010020100033031 |
5 | 113203203221132300 |
6 | 2100345525440541 |
7 | 133462423655335 |
oct | 16660410201715 |
9 | 3545105254047 |
10 | 1020124005325 |
11 | 3636a5451a57 |
12 | 145859570151 |
13 | 752745704b9 |
14 | 37534dac0c5 |
15 | 1b80832981a |
hex | ed842103cd |
1020124005325 has 12 divisors (see below), whose sum is σ = 1264998796180. Its totient is φ = 816070152960.
The previous prime is 1020124005227. The next prime is 1020124005359. The reversal of 1020124005325 is 5235004210201.
It can be written as a sum of positive squares in 6 ways, for example, as 393387366436 + 626736638889 = 627206^2 + 791667^2 .
It is not a de Polignac number, because 1020124005325 - 231 = 1017976521677 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 1020124005325.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4471 + ... + 1428379.
Almost surely, 21020124005325 is an apocalyptic number.
It is an amenable number.
1020124005325 is a deficient number, since it is larger than the sum of its proper divisors (244874790855).
1020124005325 is a wasteful number, since it uses less digits than its factorization.
1020124005325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1452576 (or 1452571 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
Adding to 1020124005325 its reverse (5235004210201), we get a palindrome (6255128215526).
The spelling of 1020124005325 in words is "one trillion, twenty billion, one hundred twenty-four million, five thousand, three hundred twenty-five".
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