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12757103242 = 213267563327
BaseRepresentation
bin10111110000110000…
…11111001010001010
31012221001201222202021
423320120133022022
5202111304300432
65505512555054
7631063405552
oct137030371212
935831658667
1012757103242
115457063534
1225803b2a8a
131283c78500
148903bc162
154e9e72697
hex2f861f28a

12757103242 has 24 divisors (see below), whose sum is σ = 21030160896. Its totient is φ = 5800004496.

The previous prime is 12757103209. The next prime is 12757103269. The reversal of 12757103242 is 24230175721.

12757103242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12757103198 and 12757103207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259018 + ... + 304309.

It is an arithmetic number, because the mean of its divisors is an integer number (876256704).

Almost surely, 212757103242 is an apocalyptic number.

12757103242 is a deficient number, since it is larger than the sum of its proper divisors (8273057654).

12757103242 is a wasteful number, since it uses less digits than its factorization.

12757103242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563422 (or 563409 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

Adding to 12757103242 its reverse (24230175721), we get a palindrome (36987278963).

The spelling of 12757103242 in words is "twelve billion, seven hundred fifty-seven million, one hundred three thousand, two hundred forty-two".

Divisors: 1 2 13 26 67 134 169 338 871 1742 11323 22646 563327 1126654 7323251 14646502 37742909 75485818 95202263 190404526 490657817 981315634 6378551621 12757103242