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245441214542245 = 5172887543700497
BaseRepresentation
bin110111110011101000111100…
…011001111111000110100101
31012012000221200020200020112111
4313303220330121333012211
5224132302101410322440
62230002045401121021
7102461354050022011
oct6763507431770645
91165027606606474
10245441214542245
1171229041a73937
122364019a189171
13a6c5012b24b27
1444875bd64d541
151d5975131c4ea
hexdf3a3c67f1a5

245441214542245 has 8 divisors (see below), whose sum is σ = 311854719653784. Its totient is φ = 184802796831744.

The previous prime is 245441214542231. The next prime is 245441214542263. The reversal of 245441214542245 is 542245412144542.

It can be written as a sum of positive squares in 4 ways, for example, as 7422998332324 + 238018216209921 = 2724518^2 + 15427839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245441214542245 - 229 = 245440677671333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443771850164 + ... + 1443771850333.

It is an arithmetic number, because the mean of its divisors is an integer number (38981839956723).

Almost surely, 2245441214542245 is an apocalyptic number.

It is an amenable number.

245441214542245 is a deficient number, since it is larger than the sum of its proper divisors (66413505111539).

245441214542245 is a wasteful number, since it uses less digits than its factorization.

245441214542245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887543700519.

The product of its digits is 8192000, while the sum is 49.

Adding to 245441214542245 its reverse (542245412144542), we get a palindrome (787686626686787).

The spelling of 245441214542245 in words is "two hundred forty-five trillion, four hundred forty-one billion, two hundred fourteen million, five hundred forty-two thousand, two hundred forty-five".

Divisors: 1 5 17 85 2887543700497 14437718502485 49088242908449 245441214542245