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244304340131 = 1261119372321
BaseRepresentation
bin1110001110000110101…
…1000110010010100011
3212100120222201100121202
43203201223012102203
513000313402341011
6304122025511415
723436042425255
oct3434153062243
9770528640552
10244304340131
1194677481735
123b42104256b
131a065080557
14bb781c5cd5
15654cc9b23b
hex38e1ac64a3

244304340131 has 4 divisors (see below), whose sum is σ = 244323725064. Its totient is φ = 244284955200.

The previous prime is 244304340127. The next prime is 244304340149. The reversal of 244304340131 is 131043403442.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 244304340131 - 22 = 244304340127 is a prime.

It is a super-2 number, since 2×2443043401312 (a number of 24 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 = 244304340094 and 244304340103.

It is not an unprimeable number, because it can be changed into a prime (244304340121) 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, 9673550 + ... + 9698771.

It is an arithmetic number, because the mean of its divisors is an integer number (61080931266).

Almost surely, 2244304340131 is an apocalyptic number.

244304340131 is a deficient number, since it is larger than the sum of its proper divisors (19384933).

244304340131 is a wasteful number, since it uses less digits than its factorization.

244304340131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19384932.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 244304340131 its reverse (131043403442), we get a palindrome (375347743573).

The spelling of 244304340131 in words is "two hundred forty-four billion, three hundred four million, three hundred forty thousand, one hundred thirty-one".

Divisors: 1 12611 19372321 244304340131