Base | Representation |
---|---|
bin | 110011100000110111… |
… | …000100011101011101 |
3 | 12021202210112211221102 |
4 | 303200313010131131 |
5 | 1401234401441000 |
6 | 41224323042445 |
7 | 3665454301514 |
oct | 634067043535 |
9 | 167683484842 |
10 | 55312140125 |
11 | 21504296600 |
12 | a877b10425 |
13 | 52a648a0c8 |
14 | 296a04567b |
15 | 168ae073d5 |
hex | ce0dc475d |
55312140125 has 48 divisors (see below), whose sum is σ = 76362018096. Its totient is φ = 39969072000.
The previous prime is 55312140053. The next prime is 55312140161. The reversal of 55312140125 is 52104121355.
It can be written as a sum of positive squares in 8 ways, for example, as 40000800004 + 15311340121 = 200002^2 + 123739^2 .
It is not a de Polignac number, because 55312140125 - 234 = 38132270941 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2362979 + ... + 2386271.
It is an arithmetic number, because the mean of its divisors is an integer number (1590875377).
Almost surely, 255312140125 is an apocalyptic number.
55312140125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
55312140125 is a deficient number, since it is larger than the sum of its proper divisors (21049877971).
55312140125 is a wasteful number, since it uses less digits than its factorization.
55312140125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23487 (or 23466 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 29.
The spelling of 55312140125 in words is "fifty-five billion, three hundred twelve million, one hundred forty thousand, one hundred twenty-five".
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