Base | Representation |
---|---|
bin | 110110001000101111… |
… | …000101100100101001 |
3 | 12120001002020211202002 |
4 | 312020233011210221 |
5 | 1423021411313232 |
6 | 42412014020345 |
7 | 4125324054542 |
oct | 661057054451 |
9 | 176032224662 |
10 | 58128619817 |
11 | 2271a0aa474 |
12 | b3231a76b5 |
13 | 5634b37338 |
14 | 2b561194c9 |
15 | 17a32e9b62 |
hex | d88bc5929 |
58128619817 has 4 divisors (see below), whose sum is σ = 61188020880. Its totient is φ = 55069218756.
The previous prime is 58128619753. The next prime is 58128619849. The reversal of 58128619817 is 71891682185.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71891682185 = 5 ⋅14378336437.
It is a cyclic number.
It is not a de Polignac number, because 58128619817 - 26 = 58128619753 is a prime.
It is a super-2 number, since 2×581286198172 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (58128610817) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1529700503 + ... + 1529700540.
It is an arithmetic number, because the mean of its divisors is an integer number (15297005220).
Almost surely, 258128619817 is an apocalyptic number.
It is an amenable number.
58128619817 is a deficient number, since it is larger than the sum of its proper divisors (3059401063).
58128619817 is a wasteful number, since it uses less digits than its factorization.
58128619817 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3059401062.
The product of its digits is 1935360, while the sum is 56.
The spelling of 58128619817 in words is "fifty-eight billion, one hundred twenty-eight million, six hundred nineteen thousand, eight hundred seventeen".
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