Search a number
-
+
101021011027 is a prime number
BaseRepresentation
bin101111000010101010…
…0100100110001010011
3100122202022212002001221
41132011110210301103
53123342334323102
6114224114505511
710204252266016
oct1360524446123
9318668762057
10101021011027
113992a7aa872
12176b3895297
1396ac1c5291
144c648bb37d
152963bbb637
hex1785524c53

101021011027 has 2 divisors, whose sum is σ = 101021011028. Its totient is φ = 101021011026.

The previous prime is 101021010989. The next prime is 101021011057. The reversal of 101021011027 is 720110120101.

It is a strong prime.

It is an emirp because it is prime and its reverse (720110120101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101021011027 - 27 = 101021010899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101021011027.

It is not a weakly prime, because it can be changed into another prime (101021011057) 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, 50510505513 + 50510505514.

It is an arithmetic number, because the mean of its divisors is an integer number (50510505514).

Almost surely, 2101021011027 is an apocalyptic number.

101021011027 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021011027 is an equidigital number, since it uses as much as digits as its factorization.

101021011027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 101021011027 its reverse (720110120101), we get a palindrome (821131131128).

The spelling of 101021011027 in words is "one hundred one billion, twenty-one million, eleven thousand, twenty-seven".