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65985341299 = 1372931643839
BaseRepresentation
bin111101011101000010…
…000110011101110011
320022022122001122110121
4331131002012131303
52040114221410144
650151354511111
74524115101223
oct753502063563
9208278048417
1065985341299
1125a91006619
1210956435497
1362b7792a67
14329d768083
151ab2e42384
hexf5d086773

65985341299 has 8 divisors (see below), whose sum is σ = 66693876480. Its totient is φ = 65280094656.

The previous prime is 65985341297. The next prime is 65985341333. The reversal of 65985341299 is 99214358956.

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 65985341299 - 21 = 65985341297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65985341293) 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, 781779 + ... + 862060.

It is an arithmetic number, because the mean of its divisors is an integer number (8336734560).

Almost surely, 265985341299 is an apocalyptic number.

65985341299 is a deficient number, since it is larger than the sum of its proper divisors (708535181).

65985341299 is a wasteful number, since it uses less digits than its factorization.

65985341299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644269.

The product of its digits is 20995200, while the sum is 61.

The spelling of 65985341299 in words is "sixty-five billion, nine hundred eighty-five million, three hundred forty-one thousand, two hundred ninety-nine".

Divisors: 1 137 293 40141 1643839 225205943 481644827 65985341299