Base | Representation |
---|---|
bin | 1100110010010110000100… |
… | …00001110101100101111110 |
3 | 10200120001202111212120200222 |
4 | 12121023002001311211332 |
5 | 12141141342430244212 |
6 | 135445140522421342 |
7 | 5631316002353141 |
oct | 631130201654576 |
9 | 120501674776628 |
10 | 28118111181182 |
11 | 8a609077a6900 |
12 | 31a158a661852 |
13 | 128c6ac974a89 |
14 | 6d2cd104a058 |
15 | 33b63b051c72 |
hex | 1992c207597e |
28118111181182 has 48 divisors (see below), whose sum is σ = 47430517268736. Its totient is φ = 12486802957200.
The previous prime is 28118111181163. The next prime is 28118111181299.
28118111181182 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4208057 + ... + 8599067.
It is an arithmetic number, because the mean of its divisors is an integer number (988135776432).
Almost surely, 228118111181182 is an apocalyptic number.
28118111181182 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
28118111181182 is a deficient number, since it is larger than the sum of its proper divisors (19312406087554).
28118111181182 is a wasteful number, since it uses less digits than its factorization.
28118111181182 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4391645 (or 4391634 counting only the distinct ones).
The product of its digits is 16384, while the sum is 44.
It can be divided in two parts, 2811811 and 1181182, that added together give a palindrome (3992993).
The spelling of 28118111181182 in words is "twenty-eight trillion, one hundred eighteen billion, one hundred eleven million, one hundred eighty-one thousand, one hundred eighty-two".
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