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10849930569 = 32347212
BaseRepresentation
bin10100001101011010…
…01100110101001001
31001000011001120200100
422012231030311021
5134210040234234
64552343400013
7532604613432
oct120655146511
931004046610
1010849930569
114668559475
122129753009
13103bb02c7a
1474cda8489
154377e9399
hex286b4cd49

10849930569 has 9 divisors (see below), whose sum is σ = 15672573319. Its totient is φ = 7233078720.

The previous prime is 10849930549. The next prime is 10849930583. The reversal of 10849930569 is 96503994801.

The square root of 10849930569 is 104163.

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

10849930569 is a `hidden beast` number, since 1 + 0 + 8 + 49 + 9 + 30 + 569 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6334090569 + 4515840000 = 79587^2 + 67200^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 10849930569 - 29 = 10849930057 is a prime.

It is a super-2 number, since 2×108499305692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10849930549) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 295129 + ... + 329849.

Almost surely, 210849930569 is an apocalyptic number.

10849930569 is the 104163-rd square number.

10849930569 is the 52082-nd centered octagonal number.

It is an amenable number.

10849930569 is a deficient number, since it is larger than the sum of its proper divisors (4822642750).

10849930569 is an frugal number, since it uses more digits than its factorization.

10849930569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69448 (or 34724 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 10849930569 in words is "ten billion, eight hundred forty-nine million, nine hundred thirty thousand, five hundred sixty-nine".

Divisors: 1 3 9 34721 104163 312489 1205547841 3616643523 10849930569