Base | Representation |
---|---|
bin | 10001011011011100… |
… | …010000011001011101 |
3 | 1210022012200212001121 |
4 | 101123130100121131 |
5 | 301311241044122 |
6 | 12332550010541 |
7 | 1231515254422 |
oct | 213334203135 |
9 | 53265625047 |
10 | 18714003037 |
11 | 7a33626514 |
12 | 3763346a51 |
13 | 19c31335a2 |
14 | c975abd49 |
15 | 747de4bc7 |
hex | 45b71065d |
18714003037 has 4 divisors (see below), whose sum is σ = 18818550720. Its totient is φ = 18609455356.
The previous prime is 18714003023. The next prime is 18714003043. The reversal of 18714003037 is 73030041781.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73030041781 = 37 ⋅1973784913.
It is a cyclic number.
It is not a de Polignac number, because 18714003037 - 211 = 18714000989 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 18714002993 and 18714003011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18714003017) 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 3 ways as a sum of consecutive naturals, for example, 52273573 + ... + 52273930.
It is an arithmetic number, because the mean of its divisors is an integer number (4704637680).
Almost surely, 218714003037 is an apocalyptic number.
It is an amenable number.
18714003037 is a deficient number, since it is larger than the sum of its proper divisors (104547683).
18714003037 is a wasteful number, since it uses less digits than its factorization.
18714003037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104547682.
The product of its (nonzero) digits is 14112, while the sum is 34.
The spelling of 18714003037 in words is "eighteen billion, seven hundred fourteen million, three thousand, thirty-seven".
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