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18285241399267 = 172269147402161
BaseRepresentation
bin1000010100001010111010…
…10100010111011111100011
32101202001101220122002021211
410022011131110113133203
54344041133244234032
6102520042434130551
73565031220300553
oct412053524273743
971661356562254
1018285241399267
11590a800090367
122073976420a57
13a283a2052c2b
144730207a7163
1521a993a38747
hex10a15d5177e3

18285241399267 has 8 divisors (see below), whose sum is σ = 19361697481872. Its totient is φ = 17208880166400.

The previous prime is 18285241399253. The next prime is 18285241399273. The reversal of 18285241399267 is 76299314258281.

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 18285241399267 - 211 = 18285241397219 is a prime.

It is a super-2 number, since 2×182852413992672 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18285241399067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23315334 + ... + 24086827.

It is an arithmetic number, because the mean of its divisors is an integer number (2420212185234).

Almost surely, 218285241399267 is an apocalyptic number.

18285241399267 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

18285241399267 is a deficient number, since it is larger than the sum of its proper divisors (1076456082605).

18285241399267 is a wasteful number, since it uses less digits than its factorization.

18285241399267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47424869.

The product of its digits is 104509440, while the sum is 67.

The spelling of 18285241399267 in words is "eighteen trillion, two hundred eighty-five billion, two hundred forty-one million, three hundred ninety-nine thousand, two hundred sixty-seven".

Divisors: 1 17 22691 385747 47402161 805836737 1075602435251 18285241399267