Base | Representation |
---|---|
bin | 10001000110011110… |
… | …010010111001110100 |
3 | 1202101200202020001000 |
4 | 101012132102321310 |
5 | 300101211403202 |
6 | 12234022003300 |
7 | 1220014155405 |
oct | 210636227164 |
9 | 52350666030 |
10 | 18362216052 |
11 | 7872aa0774 |
12 | 3685576530 |
13 | 19682a2bcb |
14 | c629979ac |
15 | 7270a691c |
hex | 446792e74 |
18362216052 has 48 divisors (see below), whose sum is σ = 50406088320. Its totient is φ = 5760694656.
The previous prime is 18362216017. The next prime is 18362216053. The reversal of 18362216052 is 25061226381.
18362216052 is a `hidden beast` number, since 18 + 3 + 622 + 16 + 0 + 5 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 18362215998 and 18362216016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18362216053) 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 15 ways as a sum of consecutive naturals, for example, 4998768 + ... + 5002439.
It is an arithmetic number, because the mean of its divisors is an integer number (1050126840).
Almost surely, 218362216052 is an apocalyptic number.
18362216052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
18362216052 is an abundant number, since it is smaller than the sum of its proper divisors (32043872268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18362216052 is a wasteful number, since it uses less digits than its factorization.
18362216052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10001237 (or 10001229 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The spelling of 18362216052 in words is "eighteen billion, three hundred sixty-two million, two hundred sixteen thousand, fifty-two".
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