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18282010201001 = 181116386849167
BaseRepresentation
bin1000010100000100111001…
…01110010100101110101001
32101201202001201120012112222
410022002130232110232221
54344013024102413001
6102514350050243425
73564555153461501
oct412023456245651
971652051505488
1018282010201001
1159093a2169278
122073214286575
13a27ca87acbb1
14472bd55baa01
1521a85502661b
hex10a09cb94ba9

18282010201001 has 8 divisors (see below), whose sum is σ = 18398822542464. Its totient is φ = 18165371560560.

The previous prime is 18282010200983. The next prime is 18282010201031. The reversal of 18282010201001 is 10010201028281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-18282010201001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18282010201031) 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, 43214081 + ... + 43635086.

It is an arithmetic number, because the mean of its divisors is an integer number (2299852817808).

Almost surely, 218282010201001 is an apocalyptic number.

It is an amenable number.

18282010201001 is a deficient number, since it is larger than the sum of its proper divisors (116812341463).

18282010201001 is a wasteful number, since it uses less digits than its factorization.

18282010201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86850511.

The product of its (nonzero) digits is 512, while the sum is 26.

Adding to 18282010201001 its reverse (10010201028281), we get a palindrome (28292211229282).

The spelling of 18282010201001 in words is "eighteen trillion, two hundred eighty-two billion, ten million, two hundred one thousand, one".

Divisors: 1 181 1163 210503 86849167 15719699227 101005581221 18282010201001