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8143077121 = 902392
BaseRepresentation
bin1111001010101110…
…10111111100000001
3210000111122011210221
413211113113330001
5113134111431441
63424010223041
7405536004424
oct74527277401
923014564727
108143077121
1134a9611403
1216b3124a81
139ca089c3a
145736ad9bb
15329d5d8d1
hex1e55d7f01

8143077121 has 3 divisors (see below), whose sum is σ = 8143167361. Its totient is φ = 8142986882.

The previous prime is 8143077109. The next prime is 8143077169. The reversal of 8143077121 is 1217703418.

The square root of 8143077121 is 90239.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 8143077121 - 29 = 8143076609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8143077221) 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 2 ways as a sum of consecutive naturals, for example, 45120 + ... + 135358.

Almost surely, 28143077121 is an apocalyptic number.

8143077121 is the 90239-th square number.

8143077121 is the 45120-th centered octagonal number.

It is an amenable number.

8143077121 is a deficient number, since it is larger than the sum of its proper divisors (90240).

8143077121 is an frugal number, since it uses more digits than its factorization.

8143077121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180478 (or 90239 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 34.

The cubic root of 8143077121 is about 2011.8527112720.

The spelling of 8143077121 in words is "eight billion, one hundred forty-three million, seventy-seven thousand, one hundred twenty-one".

Divisors: 1 90239 8143077121