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120855120049 is a prime number
BaseRepresentation
bin111000010001110000…
…1101100100010110001
3102112221121020012200101
41300203201230202301
53440002402320144
6131304200352401
711505621366526
oct1604341544261
9375847205611
10120855120049
1147288623504
121b50a175701
13b5203c8c71
145bc6b3d14d
1532250b96d4
hex1c2386c8b1

120855120049 has 2 divisors, whose sum is σ = 120855120050. Its totient is φ = 120855120048.

The previous prime is 120855119993. The next prime is 120855120079. The reversal of 120855120049 is 940021558021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114948121600 + 5906998449 = 339040^2 + 76857^2 .

It is a cyclic number.

It is not a de Polignac number, because 120855120049 - 27 = 120855119921 is a prime.

It is not a weakly prime, because it can be changed into another prime (120855120079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60427560024 + 60427560025.

It is an arithmetic number, because the mean of its divisors is an integer number (60427560025).

Almost surely, 2120855120049 is an apocalyptic number.

It is an amenable number.

120855120049 is a deficient number, since it is larger than the sum of its proper divisors (1).

120855120049 is an equidigital number, since it uses as much as digits as its factorization.

120855120049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 120855120049 in words is "one hundred twenty billion, eight hundred fifty-five million, one hundred twenty thousand, forty-nine".