Base | Representation |
---|---|
bin | 10001001000010010… |
… | …011101111100111001 |
3 | 1202110211001110000100 |
4 | 101020102131330321 |
5 | 300132010420014 |
6 | 12241030430013 |
7 | 1220534054430 |
oct | 211022357471 |
9 | 52424043010 |
10 | 18392670009 |
11 | 788920122a |
12 | 3693802309 |
13 | 19716a66bc |
14 | c66a44117 |
15 | 729ac0009 |
hex | 44849df39 |
18392670009 has 12 divisors (see below), whose sum is σ = 30362502976. Its totient is φ = 10510097112.
The previous prime is 18392670007. The next prime is 18392670011. The reversal of 18392670009 is 90007629381.
It is an interprime number because it is at equal distance from previous prime (18392670007) and next prime (18392670011).
It is not a de Polignac number, because 18392670009 - 21 = 18392670007 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18392670007) 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 11 ways as a sum of consecutive naturals, for example, 145973509 + ... + 145973634.
Almost surely, 218392670009 is an apocalyptic number.
It is an amenable number.
18392670009 is a deficient number, since it is larger than the sum of its proper divisors (11969832967).
18392670009 is a wasteful number, since it uses less digits than its factorization.
18392670009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 291947156 (or 291947153 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 45.
The spelling of 18392670009 in words is "eighteen billion, three hundred ninety-two million, six hundred seventy thousand, nine".
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