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18535202000017 = 171317782743113
BaseRepresentation
bin1000011011011100100000…
…01000011000110010010001
32102121221121002121020210121
410031232100020120302101
54412140043203000032
6103230542041230241
73622060404323653
oct415562010306221
972557532536717
1018535202000017
1159a680a35434a
1220b42b5792381
13a45b28bc8851
14481173c806d3
1522222316da97
hex10db90218c91

18535202000017 has 8 divisors (see below), whose sum is σ = 19626997613256. Its totient is φ = 17443571899392.

The previous prime is 18535201999987. The next prime is 18535202000041. The reversal of 18535202000017 is 71000020253581.

It can be written as a sum of positive squares in 4 ways, for example, as 3647148882001 + 14888053118016 = 1909751^2 + 3858504^2 .

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 18535202000017 - 211 = 18535201997969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18535202007017) 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 7 ways as a sum of consecutive naturals, for example, 41147548 + ... + 41595565.

It is an arithmetic number, because the mean of its divisors is an integer number (2453374701657).

Almost surely, 218535202000017 is an apocalyptic number.

18535202000017 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

18535202000017 is a deficient number, since it is larger than the sum of its proper divisors (1091795613239).

18535202000017 is a wasteful number, since it uses less digits than its factorization.

18535202000017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82756307.

The product of its (nonzero) digits is 16800, while the sum is 34.

Adding to 18535202000017 its reverse (71000020253581), we get a palindrome (89535222253598).

The spelling of 18535202000017 in words is "eighteen trillion, five hundred thirty-five billion, two hundred two million, seventeen", and thus it is an aban number.

Divisors: 1 17 13177 224009 82743113 1406632921 1090306000001 18535202000017