Search a number
-
+
122023533157 is a prime number
BaseRepresentation
bin111000110100100101…
…0110101101001100101
3102122222000210202010221
41301221022311221211
53444401011030112
6132020135444341
711546566626661
oct1615112655145
9378860722127
10122023533157
1147828115579
121b7955266b1
13b6784b1076
145c97da98a1
153292965e07
hex1c692b5a65

122023533157 has 2 divisors, whose sum is σ = 122023533158. Its totient is φ = 122023533156.

The previous prime is 122023533127. The next prime is 122023533239. The reversal of 122023533157 is 751335320221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120474244836 + 1549288321 = 347094^2 + 39361^2 .

It is a cyclic number.

It is not a de Polignac number, because 122023533157 - 223 = 122015144549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122023533127) 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, 61011766578 + 61011766579.

It is an arithmetic number, because the mean of its divisors is an integer number (61011766579).

Almost surely, 2122023533157 is an apocalyptic number.

It is an amenable number.

122023533157 is a deficient number, since it is larger than the sum of its proper divisors (1).

122023533157 is an equidigital number, since it uses as much as digits as its factorization.

122023533157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 34.

Adding to 122023533157 its reverse (751335320221), we get a palindrome (873358853378).

The spelling of 122023533157 in words is "one hundred twenty-two billion, twenty-three million, five hundred thirty-three thousand, one hundred fifty-seven".