Search a number
-
+
120221010313 is a prime number
BaseRepresentation
bin110111111110110111…
…0110000100110001001
3102111022102001002122121
41233331232300212021
53432203034312223
6131121225251241
711454121504225
oct1577556604611
9374272032577
10120221010313
1146a92698478
121b371933b21
13b44bc198c1
145b66837785
1531d95b015d
hex1bfdbb0989

120221010313 has 2 divisors, whose sum is σ = 120221010314. Its totient is φ = 120221010312.

The previous prime is 120221010293. The next prime is 120221010347. The reversal of 120221010313 is 313010122021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106195819129 + 14025191184 = 325877^2 + 118428^2 .

It is an emirp because it is prime and its reverse (313010122021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120221010313 - 225 = 120187455881 is a prime.

It is not a weakly prime, because it can be changed into another prime (120221017313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110505156 + 60110505157.

It is an arithmetic number, because the mean of its divisors is an integer number (60110505157).

Almost surely, 2120221010313 is an apocalyptic number.

It is an amenable number.

120221010313 is a deficient number, since it is larger than the sum of its proper divisors (1).

120221010313 is an equidigital number, since it uses as much as digits as its factorization.

120221010313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120221010313 its reverse (313010122021), we get a palindrome (433231132334).

The spelling of 120221010313 in words is "one hundred twenty billion, two hundred twenty-one million, ten thousand, three hundred thirteen".