Base | Representation |
---|---|
bin | 100011010100001111… |
… | …0000111001001100101 |
3 | 21020202111001101222211 |
4 | 1012220132013021211 |
5 | 2220310233104200 |
6 | 54501341523421 |
7 | 5323260045364 |
oct | 1065036071145 |
9 | 236674041884 |
10 | 75840909925 |
11 | 2a189242160 |
12 | 12846b73571 |
13 | 71c8580b81 |
14 | 39566517db |
15 | 1e8d2c0aba |
hex | 11a8787265 |
75840909925 has 12 divisors (see below), whose sum is σ = 102592067616. Its totient is φ = 55157025200.
The previous prime is 75840909901. The next prime is 75840909953. The reversal of 75840909925 is 52990904857.
It is not a de Polignac number, because 75840909925 - 215 = 75840877157 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 75840909925.
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, 137892289 + ... + 137892838.
It is an arithmetic number, because the mean of its divisors is an integer number (8549338968).
Almost surely, 275840909925 is an apocalyptic number.
It is an amenable number.
75840909925 is a deficient number, since it is larger than the sum of its proper divisors (26751157691).
75840909925 is a wasteful number, since it uses less digits than its factorization.
75840909925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 275785148 (or 275785143 counting only the distinct ones).
The product of its (nonzero) digits is 8164800, while the sum is 58.
The spelling of 75840909925 in words is "seventy-five billion, eight hundred forty million, nine hundred nine thousand, nine hundred twenty-five".
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