[go: up one dir, main page]

Search a number
-
+
1200711101 is a prime number
BaseRepresentation
bin100011110010001…
…0110010110111101
310002200100102222112
41013210112112331
54424340223401
6315051223405
741516606312
oct10744262675
93080312875
101200711101
11566852027
12296147b65
131619b3055
14b5676d09
157062b3bb
hex479165bd

1200711101 has 2 divisors, whose sum is σ = 1200711102. Its totient is φ = 1200711100.

The previous prime is 1200711091. The next prime is 1200711107. The reversal of 1200711101 is 1011170021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1134679225 + 66031876 = 33685^2 + 8126^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200711101 - 218 = 1200448957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200711107) 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, 600355550 + 600355551.

It is an arithmetic number, because the mean of its divisors is an integer number (600355551).

Almost surely, 21200711101 is an apocalyptic number.

It is an amenable number.

1200711101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200711101 is an equidigital number, since it uses as much as digits as its factorization.

1200711101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 14.

The square root of 1200711101 is about 34651.2784901221. The cubic root of 1200711101 is about 1062.8684326150.

Adding to 1200711101 its reverse (1011170021), we get a palindrome (2211881122).

The spelling of 1200711101 in words is "one billion, two hundred million, seven hundred eleven thousand, one hundred one".