Search a number
-
+
122255312241 = 340751770747
BaseRepresentation
bin111000111011011111…
…1000000010101110001
3102200120011221100021110
41301312333000111301
54000334324442431
6132055135343533
711555413002516
oct1616677002561
9380504840243
10122255312241
1147936a33637
121b83b081ba9
13b6b451405a
145cbaaa130d
1532a7e9b346
hex1c76fc0571

122255312241 has 4 divisors (see below), whose sum is σ = 163007082992. Its totient is φ = 81503541492.

The previous prime is 122255312191. The next prime is 122255312243. The reversal of 122255312241 is 142213552221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122255312241 - 219 = 122254787953 is a prime.

It is a super-2 number, since 2×1222553122412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122255312199 and 122255312208.

It is not an unprimeable number, because it can be changed into a prime (122255312243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20375885371 + ... + 20375885376.

It is an arithmetic number, because the mean of its divisors is an integer number (40751770748).

Almost surely, 2122255312241 is an apocalyptic number.

It is an amenable number.

122255312241 is a deficient number, since it is larger than the sum of its proper divisors (40751770751).

122255312241 is an equidigital number, since it uses as much as digits as its factorization.

122255312241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40751770750.

The product of its digits is 9600, while the sum is 30.

Adding to 122255312241 its reverse (142213552221), we get a palindrome (264468864462).

The spelling of 122255312241 in words is "one hundred twenty-two billion, two hundred fifty-five million, three hundred twelve thousand, two hundred forty-one".

Divisors: 1 3 40751770747 122255312241