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9685995869 = 11880545079
BaseRepresentation
bin10010000010101010…
…01001000101011101
3221000000220120102202
421001111021011131
5124314103331434
64241044301245
7462012415004
oct110125110535
927000816382
109685995869
114120546070
121a639a1825
13bb4928404
1467c585c3b
153ba534a7e
hex24154915d

9685995869 has 4 divisors (see below), whose sum is σ = 10566540960. Its totient is φ = 8805450780.

The previous prime is 9685995863. The next prime is 9685995877.

9685995869 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 not a de Polignac number, because 9685995869 - 212 = 9685991773 is a prime.

It is a super-2 number, since 2×96859958692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9685995796 and 9685995805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9685995863) 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, 440272529 + ... + 440272550.

It is an arithmetic number, because the mean of its divisors is an integer number (2641635240).

Almost surely, 29685995869 is an apocalyptic number.

It is an amenable number.

9685995869 is a deficient number, since it is larger than the sum of its proper divisors (880545091).

9685995869 is a wasteful number, since it uses less digits than its factorization.

9685995869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880545090.

The product of its digits is 377913600, while the sum is 74.

The square root of 9685995869 is about 98417.4571354087. The cubic root of 9685995869 is about 2131.6444110467.

The spelling of 9685995869 in words is "nine billion, six hundred eighty-five million, nine hundred ninety-five thousand, eight hundred sixty-nine".

Divisors: 1 11 880545079 9685995869