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9690653849 = 431791259017
BaseRepresentation
bin10010000011001101…
…11010010010011001
3221000100200012222112
421001212322102121
5124321301410344
64241332202105
7462100125062
oct110146722231
927010605875
109690653849
114123137738
121a65469335
13bb5899606
1467d039569
153bab54c9e
hex2419ba499

9690653849 has 8 divisors (see below), whose sum is σ = 9971422560. Its totient is φ = 9412403616.

The previous prime is 9690653783. The next prime is 9690653873. The reversal of 9690653849 is 9483560969.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9690653849 is a prime.

It is a super-2 number, since 2×96906538492 (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 (9690653899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621812 + ... + 637205.

It is an arithmetic number, because the mean of its divisors is an integer number (1246427820).

Almost surely, 29690653849 is an apocalyptic number.

It is an amenable number.

9690653849 is a deficient number, since it is larger than the sum of its proper divisors (280768711).

9690653849 is a wasteful number, since it uses less digits than its factorization.

9690653849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259239.

The product of its (nonzero) digits is 12597120, while the sum is 59.

The square root of 9690653849 is about 98441.1186903115. The cubic root of 9690653849 is about 2131.9860577551.

The spelling of 9690653849 in words is "nine billion, six hundred ninety million, six hundred fifty-three thousand, eight hundred forty-nine".

Divisors: 1 43 179 7697 1259017 54137731 225364043 9690653849