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2127470009 = 71289235783
BaseRepresentation
bin111111011001110…
…1001110110111001
312111021012200012112
41332303221312321
513324113020014
6551035022105
7103502124320
oct17663516671
95437180175
102127470009
119a19a0785
124b459a935
1327b9b83c2
1416279b0b7
15c6b9173e
hex7ece9db9

2127470009 has 8 divisors (see below), whose sum is σ = 2433290880. Its totient is φ = 1822123296.

The previous prime is 2127470003. The next prime is 2127470039. The reversal of 2127470009 is 9000747212.

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

It is not a de Polignac number, because 2127470009 - 216 = 2127404473 is a prime.

It is a super-2 number, since 2×21274700092 = 9052257278388920162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2127470003) 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, 108869 + ... + 126914.

It is an arithmetic number, because the mean of its divisors is an integer number (304161360).

Almost surely, 22127470009 is an apocalyptic number.

It is an amenable number.

2127470009 is a deficient number, since it is larger than the sum of its proper divisors (305820871).

2127470009 is a wasteful number, since it uses less digits than its factorization.

2127470009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237079.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 2127470009 is about 46124.5055149646. The cubic root of 2127470009 is about 1286.1387270557.

The spelling of 2127470009 in words is "two billion, one hundred twenty-seven million, four hundred seventy thousand, nine".

Divisors: 1 7 1289 9023 235783 1650481 303924287 2127470009