Base | Representation |
---|---|
bin | 10001011001100011… |
… | …110011011001111111 |
3 | 1210020000021121220000 |
4 | 101121203303121333 |
5 | 301230200131012 |
6 | 12325501125343 |
7 | 1230653003136 |
oct | 213143633177 |
9 | 53200247800 |
10 | 18682427007 |
11 | 7a17819a22 |
12 | 3754859853 |
13 | 19b972914a |
14 | c9330c91d |
15 | 745258ddc |
hex | 4598f367f |
18682427007 has 20 divisors (see below), whose sum is σ = 27916631160. Its totient is φ = 12451240944.
The previous prime is 18682427003. The next prime is 18682427011. The reversal of 18682427007 is 70072428681.
It is an interprime number because it is at equal distance from previous prime (18682427003) and next prime (18682427011).
It is not a de Polignac number, because 18682427007 - 22 = 18682427003 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18682427003) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 254073 + ... + 319245.
It is an arithmetic number, because the mean of its divisors is an integer number (1395831558).
Almost surely, 218682427007 is an apocalyptic number.
18682427007 is a deficient number, since it is larger than the sum of its proper divisors (9234204153).
18682427007 is an equidigital number, since it uses as much as digits as its factorization.
18682427007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68724 (or 68715 counting only the distinct ones).
The product of its (nonzero) digits is 301056, while the sum is 45.
The spelling of 18682427007 in words is "eighteen billion, six hundred eighty-two million, four hundred twenty-seven thousand, seven".
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