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9690457517 = 13745419809
BaseRepresentation
bin10010000011001100…
…01010010110101101
3221000100022020122222
421001212022112231
5124321224120032
64241324045125
7462065346506
oct110146122655
927010266588
109690457517
114123013184
121a653937a5
13bb582b140
1467cdc7bad
153bab16a12
hex24198a5ad

9690457517 has 4 divisors (see below), whose sum is σ = 10435877340. Its totient is φ = 8945037696.

The previous prime is 9690457471. The next prime is 9690457549. The reversal of 9690457517 is 7157540969.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5804306596 + 3886150921 = 76186^2 + 62339^2 .

It is a cyclic number.

It is not a de Polignac number, because 9690457517 - 28 = 9690457261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9690487517) 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, 372709892 + ... + 372709917.

It is an arithmetic number, because the mean of its divisors is an integer number (2608969335).

Almost surely, 29690457517 is an apocalyptic number.

It is an amenable number.

9690457517 is a deficient number, since it is larger than the sum of its proper divisors (745419823).

9690457517 is a wasteful number, since it uses less digits than its factorization.

9690457517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745419822.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The square root of 9690457517 is about 98440.1214800144. The cubic root of 9690457517 is about 2131.9716596928.

The spelling of 9690457517 in words is "nine billion, six hundred ninety million, four hundred fifty-seven thousand, five hundred seventeen".

Divisors: 1 13 745419809 9690457517