Base | Representation |
---|---|
bin | 10000111001111100… |
… | …011100000011011100 |
3 | 1201212001012212002110 |
4 | 100321330130003130 |
5 | 244133403422134 |
6 | 12201112354020 |
7 | 1211552400513 |
oct | 207174340334 |
9 | 51761185073 |
10 | 18152014044 |
11 | 777537a8aa |
12 | 36270a5910 |
13 | 1933886118 |
14 | c42abb67a |
15 | 7138d47e9 |
hex | 439f1c0dc |
18152014044 has 48 divisors (see below), whose sum is σ = 44926092288. Its totient is φ = 5684598528.
The previous prime is 18152014019. The next prime is 18152014063. The reversal of 18152014044 is 44041025181.
It is a super-2 number, since 2×181520140442 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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, 35829 + ... + 193875.
It is an arithmetic number, because the mean of its divisors is an integer number (935960256).
Almost surely, 218152014044 is an apocalyptic number.
It is an amenable number.
18152014044 is an abundant number, since it is smaller than the sum of its proper divisors (26774078244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18152014044 is a wasteful number, since it uses less digits than its factorization.
18152014044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158634 (or 158632 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 30.
The spelling of 18152014044 in words is "eighteen billion, one hundred fifty-two million, fourteen thousand, forty-four".
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