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121888462853 is a prime number
BaseRepresentation
bin111000110000100011…
…1100101100000000101
3102122121121122110112002
41301201013211200011
53444111421302403
6131554512435045
711543336561003
oct1614107454005
9378547573462
10121888462853
1147768950223
121b758248a85
13b65650b801
145c84089a73
153285b85188
hex1c611e5805

121888462853 has 2 divisors, whose sum is σ = 121888462854. Its totient is φ = 121888462852.

The previous prime is 121888462849. The next prime is 121888462879. The reversal of 121888462853 is 358264888121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105389831044 + 16498631809 = 324638^2 + 128447^2 .

It is a cyclic number.

It is not a de Polignac number, because 121888462853 - 22 = 121888462849 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121888462253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60944231426 + 60944231427.

It is an arithmetic number, because the mean of its divisors is an integer number (60944231427).

Almost surely, 2121888462853 is an apocalyptic number.

It is an amenable number.

121888462853 is a deficient number, since it is larger than the sum of its proper divisors (1).

121888462853 is an equidigital number, since it uses as much as digits as its factorization.

121888462853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5898240, while the sum is 56.

The spelling of 121888462853 in words is "one hundred twenty-one billion, eight hundred eighty-eight million, four hundred sixty-two thousand, eight hundred fifty-three".