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2966886693 = 32490967153
BaseRepresentation
bin1011000011010111…
…0001100100100101
321122202201110102100
42300311301210211
522034010333233
61210222402313
7133344056301
oct26065614445
97582643370
102966886693
111292803981
126a9730399
1338388c474
14202066d01
15125702813
hexb0d71925

2966886693 has 12 divisors (see below), whose sum is σ = 4286439820. Its totient is φ = 1977492096.

The previous prime is 2966886667. The next prime is 2966886701. The reversal of 2966886693 is 3966886692.

It can be written as a sum of positive squares in 2 ways, for example, as 2083192164 + 883694529 = 45642^2 + 29727^2 .

It is not a de Polignac number, because 2966886693 - 25 = 2966886661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2966886693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2966886193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10605 + ... + 77757.

Almost surely, 22966886693 is an apocalyptic number.

It is an amenable number.

2966886693 is a deficient number, since it is larger than the sum of its proper divisors (1319553127).

2966886693 is a wasteful number, since it uses less digits than its factorization.

2966886693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72068 (or 72065 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 63.

The square root of 2966886693 is about 54469.1352327169. The cubic root of 2966886693 is about 1436.9235202053.

Subtracting 2966886693 from its reverse (3966886692), we obtain a palindrome (999999999).

The spelling of 2966886693 in words is "two billion, nine hundred sixty-six million, eight hundred eighty-six thousand, six hundred ninety-three".

Divisors: 1 3 9 4909 14727 44181 67153 201459 604377 329654077 988962231 2966886693