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9099271321 = 77118308393
BaseRepresentation
bin10000111100101101…
…11101110010011001
3212111010212212122221
420132112331302121
5122113403140241
64102524544041
7441326346550
oct103626756231
925433785587
109099271321
11394a335248
12191b3b2021
13b201ca21a
14624696d97
15383c8a5d1
hex21e5bdc99

9099271321 has 8 divisors (see below), whose sum is σ = 10545634944. Its totient is φ = 7689524640.

The previous prime is 9099271319. The next prime is 9099271351. The reversal of 9099271321 is 1231729909.

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

It is not a de Polignac number, because 9099271321 - 21 = 9099271319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9099271351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9153700 + ... + 9154693.

It is an arithmetic number, because the mean of its divisors is an integer number (1318204368).

Almost surely, 29099271321 is an apocalyptic number.

It is an amenable number.

9099271321 is a deficient number, since it is larger than the sum of its proper divisors (1446363623).

9099271321 is a wasteful number, since it uses less digits than its factorization.

9099271321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18308471.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 9099271321 is about 95390.1007495013. The cubic root of 9099271321 is about 2087.7037516636.

The spelling of 9099271321 in words is "nine billion, ninety-nine million, two hundred seventy-one thousand, three hundred twenty-one".

Divisors: 1 7 71 497 18308393 128158751 1299895903 9099271321