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1009128371 is a prime number
BaseRepresentation
bin111100001001100…
…001001110110011
32121022212000212212
4330021201032303
54031314101441
6244045042335
734002310136
oct7411411663
92538760785
101009128371
11478699099
12241b563ab
131310b50a4
149804621d
155d8d5eeb
hex3c2613b3

1009128371 has 2 divisors, whose sum is σ = 1009128372. Its totient is φ = 1009128370.

The previous prime is 1009128353. The next prime is 1009128377. The reversal of 1009128371 is 1738219001.

1009128371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1009128371 is a prime.

It is a super-2 number, since 2×10091283712 = 2036680138314227282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1009128377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504564185 + 504564186.

It is an arithmetic number, because the mean of its divisors is an integer number (504564186).

Almost surely, 21009128371 is an apocalyptic number.

1009128371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009128371 is an equidigital number, since it uses as much as digits as its factorization.

1009128371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 1009128371 is about 31766.7809354363. The cubic root of 1009128371 is about 1003.0335784296.

The spelling of 1009128371 in words is "one billion, nine million, one hundred twenty-eight thousand, three hundred seventy-one".