Search a number
-
+
842485216201 is a prime number
BaseRepresentation
bin11000100001010000000…
…10000011001111001001
32222112121020120100012121
430100220002003033021
5102300402203404301
61443010554011241
7114603366116056
oct14205002031711
92875536510177
10842485216201
112a5328a39522
12117342716b21
13615a4b83265
142cac2a1602d
1516dad0843a1
hexc4280833c9

842485216201 has 2 divisors, whose sum is σ = 842485216202. Its totient is φ = 842485216200.

The previous prime is 842485216141. The next prime is 842485216217. The reversal of 842485216201 is 102612584248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 640256025600 + 202229190601 = 800160^2 + 449699^2 .

It is a cyclic number.

It is not a de Polignac number, because 842485216201 - 215 = 842485183433 is a prime.

It is not a weakly prime, because it can be changed into another prime (842485216301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421242608100 + 421242608101.

It is an arithmetic number, because the mean of its divisors is an integer number (421242608101).

Almost surely, 2842485216201 is an apocalyptic number.

It is an amenable number.

842485216201 is a deficient number, since it is larger than the sum of its proper divisors (1).

842485216201 is an equidigital number, since it uses as much as digits as its factorization.

842485216201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245760, while the sum is 43.

The spelling of 842485216201 in words is "eight hundred forty-two billion, four hundred eighty-five million, two hundred sixteen thousand, two hundred one".