Base | Representation |
---|---|
bin | 10001000000010100… |
… | …000101001001111101 |
3 | 1202010111021221202211 |
4 | 101000110011021331 |
5 | 244343233000010 |
6 | 12215451020421 |
7 | 1214320606510 |
oct | 210024051175 |
9 | 52114257684 |
10 | 18258875005 |
11 | 781a728048 |
12 | 3656a3a711 |
13 | 194ca5c767 |
14 | c52d76d77 |
15 | 71ce9208a |
hex | 44050527d |
18258875005 has 8 divisors (see below), whose sum is σ = 25040742912. Its totient is φ = 12520371408.
The previous prime is 18258875003. The next prime is 18258875029. The reversal of 18258875005 is 50057885281.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18258875005 - 21 = 18258875003 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 18258875005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18258875003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260841037 + ... + 260841106.
It is an arithmetic number, because the mean of its divisors is an integer number (3130092864).
Almost surely, 218258875005 is an apocalyptic number.
It is an amenable number.
18258875005 is a deficient number, since it is larger than the sum of its proper divisors (6781867907).
18258875005 is an equidigital number, since it uses as much as digits as its factorization.
18258875005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 521682155.
The product of its (nonzero) digits is 896000, while the sum is 49.
The spelling of 18258875005 in words is "eighteen billion, two hundred fifty-eight million, eight hundred seventy-five thousand, five".
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