Base | Representation |
---|---|
bin | 110011101111000010… |
… | …101100111111101101 |
3 | 12022101101020222102100 |
4 | 303233002230333231 |
5 | 1402231304231030 |
6 | 41304102445313 |
7 | 4004403545040 |
oct | 635702547755 |
9 | 168341228370 |
10 | 55550070765 |
11 | 216166263a2 |
12 | a923733839 |
13 | 5313865077 |
14 | 298d89cc57 |
15 | 16a1c55360 |
hex | cef0acfed |
55550070765 has 48 divisors (see below), whose sum is σ = 115833744000. Its totient is φ = 24057772416.
The previous prime is 55550070761. The next prime is 55550070883. The reversal of 55550070765 is 56707005555.
55550070765 is a `hidden beast` number, since 5 + 5 + 5 + 500 + 70 + 76 + 5 = 666.
It is not a de Polignac number, because 55550070765 - 22 = 55550070761 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 55550070765.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55550070761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4634790 + ... + 4646759.
It is an arithmetic number, because the mean of its divisors is an integer number (2413203000).
Almost surely, 255550070765 is an apocalyptic number.
It is an amenable number.
55550070765 is an abundant number, since it is smaller than the sum of its proper divisors (60283673235).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55550070765 is a wasteful number, since it uses less digits than its factorization.
55550070765 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9281586 (or 9281583 counting only the distinct ones).
The product of its (nonzero) digits is 918750, while the sum is 45.
The spelling of 55550070765 in words is "fifty-five billion, five hundred fifty million, seventy thousand, seven hundred sixty-five".
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