Base | Representation |
---|---|
bin | 10001001010000101… |
… | …001100001111000100 |
3 | 1202112220122100210000 |
4 | 101022011030033010 |
5 | 300212210302004 |
6 | 12244023201300 |
7 | 1221350511630 |
oct | 211205141704 |
9 | 52486570700 |
10 | 18422744004 |
11 | 78a4182275 |
12 | 36a18a6230 |
13 | 19779a6272 |
14 | c6aa31dc0 |
15 | 72c560c39 |
hex | 44a14c3c4 |
18422744004 has 60 divisors (see below), whose sum is σ = 55040797504. Its totient is φ = 5263640496.
The previous prime is 18422743951. The next prime is 18422744023. The reversal of 18422744004 is 40044722481.
18422744004 is a `hidden beast` number, since 184 + 2 + 2 + 74 + 400 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 18422744004.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4059184 + ... + 4063719.
Almost surely, 218422744004 is an apocalyptic number.
18422744004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
18422744004 is an abundant number, since it is smaller than the sum of its proper divisors (36618053500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18422744004 is a wasteful number, since it uses less digits than its factorization.
18422744004 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8122926 (or 8122915 counting only the distinct ones).
The product of its (nonzero) digits is 57344, while the sum is 36.
The spelling of 18422744004 in words is "eighteen billion, four hundred twenty-two million, seven hundred forty-four thousand, four".
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