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12343140244 = 223085785061
BaseRepresentation
bin10110111111011010…
…10101111110010100
31011212012210111021101
423133231111332110
5200234320441434
65400444155444
7614605650421
oct133755257624
934765714241
1012343140244
115264420a56
122485838b84
1312192885a6
14851420d48
154c3951b14
hex2dfb55f94

12343140244 has 6 divisors (see below), whose sum is σ = 21600495434. Its totient is φ = 6171570120.

The previous prime is 12343140193. The next prime is 12343140247. The reversal of 12343140244 is 44204134321.

It can be written as a sum of positive squares in only one way, i.e., 11661408144 + 681732100 = 107988^2 + 26110^2 .

It is a super-2 number, since 2×123431402442 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343140247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1542892527 + ... + 1542892534.

Almost surely, 212343140244 is an apocalyptic number.

It is an amenable number.

12343140244 is a deficient number, since it is larger than the sum of its proper divisors (9257355190).

12343140244 is a wasteful number, since it uses less digits than its factorization.

12343140244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085785065 (or 3085785063 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12343140244 its reverse (44204134321), we get a palindrome (56547274565).

The spelling of 12343140244 in words is "twelve billion, three hundred forty-three million, one hundred forty thousand, two hundred forty-four".

Divisors: 1 2 4 3085785061 6171570122 12343140244