Base | Representation |
---|---|
bin | 10000111111001101… |
… | …011011011011010001 |
3 | 1202002012102222201201 |
4 | 100333031123123101 |
5 | 244324012312001 |
6 | 12213550031201 |
7 | 1214004310432 |
oct | 207715333321 |
9 | 52065388651 |
10 | 18240354001 |
11 | 7810227a31 |
12 | 36507a8501 |
13 | 1948c7659c |
14 | c50715489 |
15 | 71b534501 |
hex | 43f35b6d1 |
18240354001 has 8 divisors (see below), whose sum is σ = 18347256000. Its totient is φ = 18133507920.
The previous prime is 18240353981. The next prime is 18240354007. The reversal of 18240354001 is 10045304281.
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 18240354001 - 223 = 18231965393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18240354007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766756 + ... + 790186.
It is an arithmetic number, because the mean of its divisors is an integer number (2293407000).
Almost surely, 218240354001 is an apocalyptic number.
It is an amenable number.
18240354001 is a deficient number, since it is larger than the sum of its proper divisors (106901999).
18240354001 is a wasteful number, since it uses less digits than its factorization.
18240354001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27959.
The product of its (nonzero) digits is 3840, while the sum is 28.
Adding to 18240354001 its reverse (10045304281), we get a palindrome (28285658282).
The spelling of 18240354001 in words is "eighteen billion, two hundred forty million, three hundred fifty-four thousand, one".
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