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19008346968 = 23321353383171
BaseRepresentation
bin10001101100111111…
…000101101101011000
31211001201120002000200
4101230333011231120
5302412114100333
612422102502200
71242021166122
oct215477055530
954051502020
1019008346968
118074797466
123825a34960
131a3c100ab0
14cc470c212
15763b87c13
hex46cfc5b58

19008346968 has 96 divisors (see below), whose sum is σ = 56487216240. Its totient is φ = 5738353920.

The previous prime is 19008346967. The next prime is 19008347009. The reversal of 19008346968 is 86964380091.

It is a super-2 number, since 2×190083469682 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19008346961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141978 + ... + 241193.

Almost surely, 219008346968 is an apocalyptic number.

19008346968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19008346968 is an abundant number, since it is smaller than the sum of its proper divisors (37478869272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19008346968 is a wasteful number, since it uses less digits than its factorization.

19008346968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383249 (or 383242 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 19008346968 in words is "nineteen billion, eight million, three hundred forty-six thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 53 72 78 104 106 117 156 159 212 234 312 318 424 468 477 636 689 936 954 1272 1378 1908 2067 2756 3816 4134 5512 6201 8268 12402 16536 24804 49608 383171 766342 1149513 1532684 2299026 3065368 3448539 4598052 4981223 6897078 9196104 9962446 13794156 14943669 19924892 20308063 27588312 29887338 39849784 40616126 44831007 59774676 60924189 81232252 89662014 119549352 121848378 162464504 179324028 182772567 243696756 264004819 358648056 365545134 487393512 528009638 731090268 792014457 1056019276 1462180536 1584028914 2112038552 2376043371 3168057828 4752086742 6336115656 9504173484 19008346968