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118127031901 is a prime number
BaseRepresentation
bin110111000000011101…
…0110111011001011101
3102021220110211222021121
41232000322313121131
53413411010010101
6130133344130541
711351204130004
oct1560072673135
9367813758247
10118127031901
11461086a24aa
121aa88606a51
13b1a7159818
145a086b7c3b
1531158370a1
hex1b80eb765d

118127031901 has 2 divisors, whose sum is σ = 118127031902. Its totient is φ = 118127031900.

The previous prime is 118127031899. The next prime is 118127031937. The reversal of 118127031901 is 109130721811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106435800025 + 11691231876 = 326245^2 + 108126^2 .

It is a cyclic number.

It is not a de Polignac number, because 118127031901 - 21 = 118127031899 is a prime.

Together with 118127031899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118127031991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59063515950 + 59063515951.

It is an arithmetic number, because the mean of its divisors is an integer number (59063515951).

Almost surely, 2118127031901 is an apocalyptic number.

It is an amenable number.

118127031901 is a deficient number, since it is larger than the sum of its proper divisors (1).

118127031901 is an equidigital number, since it uses as much as digits as its factorization.

118127031901 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 34.

The spelling of 118127031901 in words is "one hundred eighteen billion, one hundred twenty-seven million, thirty-one thousand, nine hundred one".