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8755121101 is a prime number
BaseRepresentation
bin10000010011101100…
…01000101111001101
3211121011022020022111
420021312020233031
5120412302333401
64004432344021
7426650205256
oct101166105715
924534266274
108755121101
113793046081
1218440a5011
13a96b1183c
145d0aadb2d
15363959e51
hex209d88bcd

8755121101 has 2 divisors, whose sum is σ = 8755121102. Its totient is φ = 8755121100.

The previous prime is 8755121077. The next prime is 8755121119. The reversal of 8755121101 is 1011215578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6666722500 + 2088398601 = 81650^2 + 45699^2 .

It is a cyclic number.

It is not a de Polignac number, because 8755121101 - 25 = 8755121069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8755121161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4377560550 + 4377560551.

It is an arithmetic number, because the mean of its divisors is an integer number (4377560551).

Almost surely, 28755121101 is an apocalyptic number.

It is an amenable number.

8755121101 is a deficient number, since it is larger than the sum of its proper divisors (1).

8755121101 is an equidigital number, since it uses as much as digits as its factorization.

8755121101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 31.

The square root of 8755121101 is about 93568.8041015808. The cubic root of 8755121101 is about 2061.0445813737.

Adding to 8755121101 its reverse (1011215578), we get a palindrome (9766336679).

The spelling of 8755121101 in words is "eight billion, seven hundred fifty-five million, one hundred twenty-one thousand, one hundred one".