Base | Representation |
---|---|
bin | 110011111011011001… |
… | …001101000010010101 |
3 | 12022220211012002200100 |
4 | 303323121031002111 |
5 | 1403142331431030 |
6 | 41340424204313 |
7 | 4012501123413 |
oct | 637331150225 |
9 | 168824162610 |
10 | 55757295765 |
11 | 217125a3626 |
12 | a981009699 |
13 | 534777bb02 |
14 | 29ad2022b3 |
15 | 16b503a360 |
hex | cfb64d095 |
55757295765 has 24 divisors (see below), whose sum is σ = 96657046200. Its totient is φ = 29733819264.
The previous prime is 55757295757. The next prime is 55757295767. The reversal of 55757295765 is 56759275755.
55757295765 is a `hidden beast` number, since 5 + 5 + 7 + 57 + 2 + 9 + 576 + 5 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 16651837764 + 39105458001 = 129042^2 + 197751^2 .
It is not a de Polignac number, because 55757295765 - 23 = 55757295757 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55757295767) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 354439 + ... + 486971.
It is an arithmetic number, because the mean of its divisors is an integer number (4027376925).
Almost surely, 255757295765 is an apocalyptic number.
It is an amenable number.
55757295765 is a deficient number, since it is larger than the sum of its proper divisors (40899750435).
55757295765 is a wasteful number, since it uses less digits than its factorization.
55757295765 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141893 (or 141890 counting only the distinct ones).
The product of its digits is 115762500, while the sum is 63.
The spelling of 55757295765 in words is "fifty-five billion, seven hundred fifty-seven million, two hundred ninety-five thousand, seven hundred sixty-five".
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