Base | Representation |
---|---|
bin | 10000110010110110… |
… | …001111111011011000 |
3 | 1201112202011211022002 |
4 | 100302312033323120 |
5 | 243412413413000 |
6 | 12141220420132 |
7 | 1205605361111 |
oct | 206266177330 |
9 | 51482154262 |
10 | 18032951000 |
11 | 7714148a99 |
12 | 35b3247648 |
13 | 1914cc980c |
14 | c30d67208 |
15 | 7082168d5 |
hex | 432d8fed8 |
18032951000 has 32 divisors (see below), whose sum is σ = 42197107680. Its totient is φ = 7213180000.
The previous prime is 18032950987. The next prime is 18032951021. The reversal of 18032951000 is 15923081.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9015476 + ... + 9017475.
It is an arithmetic number, because the mean of its divisors is an integer number (1318659615).
Almost surely, 218032951000 is an apocalyptic number.
18032951000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18032951000 is an abundant number, since it is smaller than the sum of its proper divisors (24164156680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18032951000 is a wasteful number, since it uses less digits than its factorization.
18032951000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18032972 (or 18032958 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 29.
The spelling of 18032951000 in words is "eighteen billion, thirty-two million, nine hundred fifty-one thousand".
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