Search a number
-
+
120145308797 is a prime number
BaseRepresentation
bin110111111100100110…
…1111110110001111101
3102111010010121001200202
41233321031332301331
53432024144340142
6131105522533245
711452212163133
oct1577115766175
9374103531622
10120145308797
1146a53992838
121b350507225
13b439332bc7
145b5a76d753
1531d2b0a032
hex1bf937ec7d

120145308797 has 2 divisors, whose sum is σ = 120145308798. Its totient is φ = 120145308796.

The previous prime is 120145308793. The next prime is 120145308821. The reversal of 120145308797 is 797803541021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113511043396 + 6634265401 = 336914^2 + 81451^2 .

It is a cyclic number.

It is not a de Polignac number, because 120145308797 - 22 = 120145308793 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120145308791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60072654398 + 60072654399.

It is an arithmetic number, because the mean of its divisors is an integer number (60072654399).

Almost surely, 2120145308797 is an apocalyptic number.

It is an amenable number.

120145308797 is a deficient number, since it is larger than the sum of its proper divisors (1).

120145308797 is an equidigital number, since it uses as much as digits as its factorization.

120145308797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 120145308797 in words is "one hundred twenty billion, one hundred forty-five million, three hundred eight thousand, seven hundred ninety-seven".