Search a number
-
+
120603615493 is a prime number
BaseRepresentation
bin111000001010010001…
…0010010000100000101
3102112022001222110021211
41300110202102010011
53433444011143433
6131223214011421
711466445550224
oct1602442220405
9375261873254
10120603615493
11471696623a9
121b459aa6b71
13b4b027a7ba
145ba1590cbb
15320ce898cd
hex1c14892105

120603615493 has 2 divisors, whose sum is σ = 120603615494. Its totient is φ = 120603615492.

The previous prime is 120603615439. The next prime is 120603615499. The reversal of 120603615493 is 394516306021.

Together with previous prime (120603615439) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103004409249 + 17599206244 = 320943^2 + 132662^2 .

It is an emirp because it is prime and its reverse (394516306021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120603615493 - 221 = 120601518341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120603615499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60301807746 + 60301807747.

It is an arithmetic number, because the mean of its divisors is an integer number (60301807747).

Almost surely, 2120603615493 is an apocalyptic number.

It is an amenable number.

120603615493 is a deficient number, since it is larger than the sum of its proper divisors (1).

120603615493 is an equidigital number, since it uses as much as digits as its factorization.

120603615493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 120603615493 in words is "one hundred twenty billion, six hundred three million, six hundred fifteen thousand, four hundred ninety-three".