Base | Representation |
---|---|
bin | 110011111101000010… |
… | …010011110101110011 |
3 | 12022222202000221021110 |
4 | 303331002103311303 |
5 | 1403221410130010 |
6 | 41343250524403 |
7 | 4013254251006 |
oct | 637502236563 |
9 | 168882027243 |
10 | 55784848755 |
11 | 21727102599 |
12 | a98a296703 |
13 | 53503a805c |
14 | 29b2b3553d |
15 | 16b767e120 |
hex | cfd093d73 |
55784848755 has 32 divisors (see below), whose sum is σ = 91686369600. Its totient is φ = 28942036992.
The previous prime is 55784848753. The next prime is 55784848783.
55784848755 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 55784848755 - 21 = 55784848753 is a prime.
It is a super-2 number, since 2×557848487552 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (55784848753) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5416651 + ... + 5426939.
It is an arithmetic number, because the mean of its divisors is an integer number (2865199050).
Almost surely, 255784848755 is an apocalyptic number.
55784848755 is a deficient number, since it is larger than the sum of its proper divisors (35901520845).
55784848755 is a wasteful number, since it uses less digits than its factorization.
55784848755 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20103.
The product of its digits is 250880000, while the sum is 66.
The spelling of 55784848755 in words is "fifty-five billion, seven hundred eighty-four million, eight hundred forty-eight thousand, seven hundred fifty-five".
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