Base | Representation |
---|---|
bin | 11010101100010100… |
… | …110111011101001011 |
3 | 2201222102122100220012 |
4 | 122230110313131023 |
5 | 432144201024310 |
6 | 21055555422135 |
7 | 2033150045303 |
oct | 325424673513 |
9 | 81872570805 |
10 | 28660954955 |
11 | 111783a8736 |
12 | 567a5b494b |
13 | 2919b39159 |
14 | 155c682603 |
15 | b2b2c4c05 |
hex | 6ac53774b |
28660954955 has 16 divisors (see below), whose sum is σ = 35099067744. Its totient is φ = 22459557120.
The previous prime is 28660954951. The next prime is 28660955093. The reversal of 28660954955 is 55945906682.
It is not a de Polignac number, because 28660954955 - 22 = 28660954951 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28660954894 and 28660954903.
It is not an unprimeable number, because it can be changed into a prime (28660954951) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75860 + ... + 251150.
It is an arithmetic number, because the mean of its divisors is an integer number (2193691734).
Almost surely, 228660954955 is an apocalyptic number.
28660954955 is a deficient number, since it is larger than the sum of its proper divisors (6438112789).
28660954955 is a wasteful number, since it uses less digits than its factorization.
28660954955 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175966.
The product of its (nonzero) digits is 23328000, while the sum is 59.
The spelling of 28660954955 in words is "twenty-eight billion, six hundred sixty million, nine hundred fifty-four thousand, nine hundred fifty-five".
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