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9680880869 = 11880080079
BaseRepresentation
bin10010000010000011…
…01000010011100101
3220222200021200222022
421001001220103211
5124311301141434
64240342512525
7461621062322
oct110101502345
926880250868
109680880869
1141186720a0
121a62135745
13bb385719a
1467ba13b49
153b9d7422e
hex2410684e5

9680880869 has 4 divisors (see below), whose sum is σ = 10560960960. Its totient is φ = 8800800780.

The previous prime is 9680880863. The next prime is 9680880887.

It is a happy number.

9680880869 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9680880869 is a prime.

It is a super-2 number, since 2×96808808692 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9680880863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440040029 + ... + 440040050.

It is an arithmetic number, because the mean of its divisors is an integer number (2640240240).

Almost surely, 29680880869 is an apocalyptic number.

It is an amenable number.

9680880869 is a deficient number, since it is larger than the sum of its proper divisors (880080091).

9680880869 is a wasteful number, since it uses less digits than its factorization.

9680880869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880080090.

The product of its (nonzero) digits is 11943936, while the sum is 62.

The square root of 9680880869 is about 98391.4674603443. The cubic root of 9680880869 is about 2131.2691173008.

The spelling of 9680880869 in words is "nine billion, six hundred eighty million, eight hundred eighty thousand, eight hundred sixty-nine".

Divisors: 1 11 880080079 9680880869