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1150065018 = 23263892501
BaseRepresentation
bin100010010001100…
…1001100101111010
32222011001100121200
41010203021211322
54323404040033
6310041515030
740333251144
oct10443114572
92864040550
101150065018
115401aa963
122811a2a76
1315435c85b
14aca51c94
156ae75013
hex448c997a

1150065018 has 12 divisors (see below), whose sum is σ = 2491807578. Its totient is φ = 383355000.

The previous prime is 1150065013. The next prime is 1150065097. The reversal of 1150065018 is 8105600511.

1150065018 is a `hidden beast` number, since 1 + 1 + 5 + 0 + 0 + 650 + 1 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1133197569 + 16867449 = 33663^2 + 4107^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1150064982 and 1150065000.

It is not an unprimeable number, because it can be changed into a prime (1150065013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31946233 + ... + 31946268.

Almost surely, 21150065018 is an apocalyptic number.

1150065018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1150065018 is an abundant number, since it is smaller than the sum of its proper divisors (1341742560).

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

1150065018 is a wasteful number, since it uses less digits than its factorization.

1150065018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63892509 (or 63892506 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 1150065018 is about 33912.6085401875. The cubic root of 1150065018 is about 1047.7092973443.

Adding to 1150065018 its reverse (8105600511), we get a palindrome (9255665529).

The spelling of 1150065018 in words is "one billion, one hundred fifty million, sixty-five thousand, eighteen".

Divisors: 1 2 3 6 9 18 63892501 127785002 191677503 383355006 575032509 1150065018