Base | Representation |
---|---|
bin | 10001001110001001… |
… | …100011011001010110 |
3 | 1202201200001221100012 |
4 | 101032021203121112 |
5 | 300332143340220 |
6 | 12254502120222 |
7 | 1223136606143 |
oct | 211611433126 |
9 | 52650057305 |
10 | 18490996310 |
11 | 792975a236 |
12 | 3700720072 |
13 | 1988b82447 |
14 | c75b1b3ca |
15 | 733543ac5 |
hex | 44e263656 |
18490996310 has 32 divisors (see below), whose sum is σ = 34888547232. Its totient is φ = 7048177920.
The previous prime is 18490996253. The next prime is 18490996313. The reversal of 18490996310 is 1369909481.
It is a super-2 number, since 2×184909963102 (a number of 21 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18490996313) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506789 + ... + 542048.
It is an arithmetic number, because the mean of its divisors is an integer number (1090267101).
Almost surely, 218490996310 is an apocalyptic number.
18490996310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18490996310 is a deficient number, since it is larger than the sum of its proper divisors (16397550922).
18490996310 is a wasteful number, since it uses less digits than its factorization.
18490996310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1048928.
The product of its (nonzero) digits is 419904, while the sum is 50.
The spelling of 18490996310 in words is "eighteen billion, four hundred ninety million, nine hundred ninety-six thousand, three hundred ten".
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