Base | Representation |
---|---|
bin | 101111101010010001… |
… | …001000100110100101 |
3 | 11220002110210101021100 |
4 | 233222101020212211 |
5 | 1314301300003420 |
6 | 35302013510313 |
7 | 3461110220100 |
oct | 575221104645 |
9 | 156073711240 |
10 | 51175000485 |
11 | 1a780a54334 |
12 | 9b024a2399 |
13 | 4a9732029b |
14 | 26967d3737 |
15 | 14e7ae3190 |
hex | bea4489a5 |
51175000485 has 72 divisors (see below), whose sum is σ = 103337915616. Its totient is φ = 23359734720.
The previous prime is 51175000447. The next prime is 51175000489. The reversal of 51175000485 is 58400057115.
51175000485 is a `hidden beast` number, since 5 + 1 + 175 + 0 + 0 + 0 + 485 = 666.
It is not a de Polignac number, because 51175000485 - 216 = 51174934949 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51175000489) 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 71 ways as a sum of consecutive naturals, for example, 1506862 + ... + 1540448.
It is an arithmetic number, because the mean of its divisors is an integer number (1435248828).
Almost surely, 251175000485 is an apocalyptic number.
It is an amenable number.
51175000485 is an abundant number, since it is smaller than the sum of its proper divisors (52162915131).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51175000485 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (51175000484) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (34303).
51175000485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34303 (or 34293 counting only the distinct ones).
The product of its (nonzero) digits is 28000, while the sum is 36.
The spelling of 51175000485 in words is "fifty-one billion, one hundred seventy-five million, four hundred eighty-five", and thus it is an aban number.
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