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65389898356 = 2226960771281
BaseRepresentation
bin111100111001100010…
…101010101001110100
320020210010122000022021
4330321202222221310
52032404303221411
650012324242524
74503264652036
oct747142525164
9206703560267
1065389898356
1125805990512
121080ab40444
136221301463
143244649c56
151a7aa24a71
hexf398aaa74

65389898356 has 12 divisors (see below), whose sum is σ = 114857722980. Its totient is φ = 32573406080.

The previous prime is 65389898347. The next prime is 65389898359.

65389898356 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 37591005456 + 27798892900 = 193884^2 + 166730^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65389898359) 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 3 ways as a sum of consecutive naturals, for example, 30384565 + ... + 30386716.

It is an arithmetic number, because the mean of its divisors is an integer number (9571476915).

Almost surely, 265389898356 is an apocalyptic number.

It is an amenable number.

65389898356 is a deficient number, since it is larger than the sum of its proper divisors (49467824624).

65389898356 is a wasteful number, since it uses less digits than its factorization.

65389898356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60771554 (or 60771552 counting only the distinct ones).

The product of its digits is 335923200, while the sum is 70.

The spelling of 65389898356 in words is "sixty-five billion, three hundred eighty-nine million, eight hundred ninety-eight thousand, three hundred fifty-six".

Divisors: 1 2 4 269 538 1076 60771281 121542562 243085124 16347474589 32694949178 65389898356