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3085387101729 = 32179232712
BaseRepresentation
bin101100111001011111011…
…001101111011000100001
3101220221220221011110202100
4230321133121233120201
5401022333044223404
610321223545241013
7435624524434452
oct54713731573041
911827827143670
103085387101729
11a8a561646049
12419b75a93169
13194c48a6a07a
14a94952db129
15553d0b30d39
hex2ce5f66f621

3085387101729 has 27 divisors (see below), whose sum is σ = 4483077502449. Its totient is φ = 2044808211240.

The previous prime is 3085387101689. The next prime is 3085387101737. The reversal of 3085387101729 is 9271017835803.

It is a happy number.

The square root of 3085387101729 is 1756527.

It is a perfect power (a square), and thus also a powerful number.

3085387101729 is a `hidden beast` number, since 3 + 0 + 8 + 538 + 71 + 0 + 17 + 29 = 666.

It is not a de Polignac number, because 3085387101729 - 217 = 3085386970657 is a prime.

It is a super-2 number, since 2×30853871017292 (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3085387101779) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 943253364 + ... + 943256634.

Almost surely, 23085387101729 is an apocalyptic number.

3085387101729 is the 1756527-th square number.

3085387101729 is the 878264-th centered octagonal number.

It is an amenable number.

3085387101729 is a deficient number, since it is larger than the sum of its proper divisors (1397690400720).

3085387101729 is an frugal number, since it uses more digits than its factorization.

3085387101729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6906 (or 3453 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 3085387101729 in words is "three trillion, eighty-five billion, three hundred eighty-seven million, one hundred one thousand, seven hundred twenty-nine".

Divisors: 1 3 9 179 537 1611 3271 9813 29439 32041 96123 288369 585509 1756527 5269581 10699441 32098323 96294969 104806111 314418333 943254999 1915199939 5745599817 17236799451 342820789081 1028462367243 3085387101729