Search a number
-
+
55102352101 is a prime number
BaseRepresentation
bin110011010100010110…
…110010101011100101
312021020011210111212121
4303110112302223211
51400322200231401
641151430345541
73660326156566
oct632426625345
9167204714777
1055102352101
1121406928775
12a8197bb2b1
135271b86894
14294a23616d
1516777b7ca1
hexcd45b2ae5

55102352101 has 2 divisors, whose sum is σ = 55102352102. Its totient is φ = 55102352100.

The previous prime is 55102352077. The next prime is 55102352141. The reversal of 55102352101 is 10125320155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40000400001 + 15101952100 = 200001^2 + 122890^2 .

It is a cyclic number.

It is not a de Polignac number, because 55102352101 - 225 = 55068797669 is a prime.

It is a super-2 number, since 2×551023521012 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55102352141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27551176050 + 27551176051.

It is an arithmetic number, because the mean of its divisors is an integer number (27551176051).

Almost surely, 255102352101 is an apocalyptic number.

It is an amenable number.

55102352101 is a deficient number, since it is larger than the sum of its proper divisors (1).

55102352101 is an equidigital number, since it uses as much as digits as its factorization.

55102352101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 55102352101 its reverse (10125320155), we get a palindrome (65227672256).

The spelling of 55102352101 in words is "fifty-five billion, one hundred two million, three hundred fifty-two thousand, one hundred one".