Base | Representation |
---|---|
bin | 11010011010101001… |
… | …011011011001101001 |
3 | 2201012202112112111020 |
4 | 122122221123121221 |
5 | 431042233331202 |
6 | 21010322323053 |
7 | 2022616020024 |
oct | 323251333151 |
9 | 81182475436 |
10 | 28364355177 |
11 | 11035a36954 |
12 | 55b71b9489 |
13 | 28a055bc22 |
14 | 15311161bb |
15 | b102385bc |
hex | 69aa5b669 |
28364355177 has 64 divisors (see below), whose sum is σ = 42148512000. Its totient is φ = 16885628928.
The previous prime is 28364355161. The next prime is 28364355179. The reversal of 28364355177 is 77155346382.
It is not a de Polignac number, because 28364355177 - 24 = 28364355161 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is not an unprimeable number, because it can be changed into a prime (28364355179) 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 63 ways as a sum of consecutive naturals, for example, 28110849 + ... + 28111857.
It is an arithmetic number, because the mean of its divisors is an integer number (658570500).
Almost surely, 228364355177 is an apocalyptic number.
It is an amenable number.
28364355177 is a deficient number, since it is larger than the sum of its proper divisors (13784156823).
28364355177 is a wasteful number, since it uses less digits than its factorization.
28364355177 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1370.
The product of its digits is 4233600, while the sum is 51.
The spelling of 28364355177 in words is "twenty-eight billion, three hundred sixty-four million, three hundred fifty-five thousand, one hundred seventy-seven".
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