Base | Representation |
---|---|
bin | 11101010000011000111… |
… | …00001000110110001101 |
3 | 10120002200021120022020021 |
4 | 32220030130020312031 |
5 | 112432203122101000 |
6 | 2045444034022141 |
7 | 132424363642021 |
oct | 16501434106615 |
9 | 3502607508207 |
10 | 1005231050125 |
11 | 3583527a3315 |
12 | 1429a1a17951 |
13 | 73a3cc63683 |
14 | 36921090381 |
15 | 1b235b0c11a |
hex | ea0c708d8d |
1005231050125 has 32 divisors (see below), whose sum is σ = 1321482165120. Its totient is φ = 761325091200.
The previous prime is 1005231050107. The next prime is 1005231050137. The reversal of 1005231050125 is 5210501325001.
It is not a de Polignac number, because 1005231050125 - 211 = 1005231048077 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 1005231050125.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3255694 + ... + 3551056.
It is an arithmetic number, because the mean of its divisors is an integer number (41296317660).
Almost surely, 21005231050125 is an apocalyptic number.
It is an amenable number.
1005231050125 is a deficient number, since it is larger than the sum of its proper divisors (316251114995).
1005231050125 is a wasteful number, since it uses less digits than its factorization.
1005231050125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 296830 (or 296820 counting only the distinct ones).
The product of its (nonzero) digits is 1500, while the sum is 25.
Adding to 1005231050125 its reverse (5210501325001), we get a palindrome (6215732375126).
The spelling of 1005231050125 in words is "one trillion, five billion, two hundred thirty-one million, fifty thousand, one hundred twenty-five".
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