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9479680221 = 311287263037
BaseRepresentation
bin10001101010000100…
…00111000011011101
3220110122200122120110
420311002013003131
5123403244231341
64204354240233
7453625644444
oct106502070335
926418618513
109479680221
11402503a070
121a06886079
13b80c6c54b
1465cddbd5b
153a737e216
hex2350870dd

9479680221 has 8 divisors (see below), whose sum is σ = 13788625824. Its totient is φ = 5745260720.

The previous prime is 9479680213. The next prime is 9479680291. The reversal of 9479680221 is 1220869749.

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

It is a cyclic number.

It is not a de Polignac number, because 9479680221 - 23 = 9479680213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9479680291) 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, 143631486 + ... + 143631551.

It is an arithmetic number, because the mean of its divisors is an integer number (1723578228).

Almost surely, 29479680221 is an apocalyptic number.

It is an amenable number.

9479680221 is a deficient number, since it is larger than the sum of its proper divisors (4308945603).

9479680221 is a wasteful number, since it uses less digits than its factorization.

9479680221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287263051.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 9479680221 is about 97363.6493820974. The cubic root of 9479680221 is about 2116.4006967137.

The spelling of 9479680221 in words is "nine billion, four hundred seventy-nine million, six hundred eighty thousand, two hundred twenty-one".

Divisors: 1 3 11 33 287263037 861789111 3159893407 9479680221