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120969808049 is a prime number
BaseRepresentation
bin111000010101001011…
…1001100100010110001
3102120020121000222001002
41300222113030202301
53440221232324144
6131323414451345
711511513255056
oct1605227144261
9376217028032
10120969808049
1147337337282
121b540663b55
13b53b0b309c
145bd807502d
1532301c114e
hex1c2a5cc8b1

120969808049 has 2 divisors, whose sum is σ = 120969808050. Its totient is φ = 120969808048.

The previous prime is 120969808013. The next prime is 120969808121. The reversal of 120969808049 is 940808969021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119953473649 + 1016334400 = 346343^2 + 31880^2 .

It is a cyclic number.

It is not a de Polignac number, because 120969808049 - 228 = 120701372593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120969807985 and 120969808003.

It is not a weakly prime, because it can be changed into another prime (120969808549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60484904024 + 60484904025.

It is an arithmetic number, because the mean of its divisors is an integer number (60484904025).

Almost surely, 2120969808049 is an apocalyptic number.

It is an amenable number.

120969808049 is a deficient number, since it is larger than the sum of its proper divisors (1).

120969808049 is an equidigital number, since it uses as much as digits as its factorization.

120969808049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 56.

The spelling of 120969808049 in words is "one hundred twenty billion, nine hundred sixty-nine million, eight hundred eight thousand, forty-nine".