Base | Representation |
---|---|
bin | 1000000000101011100… |
… | …10011010011011010101 |
3 | 222022110012002200012212 |
4 | 10000111302122123111 |
5 | 14002144310201200 |
6 | 330240050123205 |
7 | 25612534446122 |
oct | 4002562323325 |
9 | 868405080185 |
10 | 275243443925 |
11 | a68038262aa |
12 | 45416580505 |
13 | 1cc55b80968 |
14 | d471249749 |
15 | 725e078035 |
hex | 4015c9a6d5 |
275243443925 has 12 divisors (see below), whose sum is σ = 341582353476. Its totient is φ = 220013798400.
The previous prime is 275243443919. The next prime is 275243443927. The reversal of 275243443925 is 529344342572.
It can be written as a sum of positive squares in 6 ways, for example, as 10510555441 + 264732888484 = 102521^2 + 514522^2 .
It is not a de Polignac number, because 275243443925 - 26 = 275243443861 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (275243443927) by changing a digit.
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, 4492886 + ... + 4553735.
It is an arithmetic number, because the mean of its divisors is an integer number (28465196123).
Almost surely, 2275243443925 is an apocalyptic number.
275243443925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
275243443925 is a deficient number, since it is larger than the sum of its proper divisors (66338909551).
275243443925 is a wasteful number, since it uses less digits than its factorization.
275243443925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9047848 (or 9047843 counting only the distinct ones).
The product of its digits is 7257600, while the sum is 50.
The spelling of 275243443925 in words is "two hundred seventy-five billion, two hundred forty-three million, four hundred forty-three thousand, nine hundred twenty-five".
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