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12738265462 = 2131972486971
BaseRepresentation
bin10111101110100001…
…01000000101110110
31012212202021221011201
423313100220011312
5202041443443322
65504001123114
7630444320116
oct136720500566
935782257151
1012738265462
11544746741a
12257602949a
1312800b10b0
1488bab7046
154e84a0d27
hex2f7428176

12738265462 has 16 divisors (see below), whose sum is σ = 20681659152. Its totient is φ = 5849353440.

The previous prime is 12738265447. The next prime is 12738265471. The reversal of 12738265462 is 26456283721.

12738265462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1238364 + ... + 1248607.

It is an arithmetic number, because the mean of its divisors is an integer number (1292603697).

Almost surely, 212738265462 is an apocalyptic number.

12738265462 is a deficient number, since it is larger than the sum of its proper divisors (7943393690).

12738265462 is a wasteful number, since it uses less digits than its factorization.

12738265462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487183.

The product of its digits is 967680, while the sum is 46.

The spelling of 12738265462 in words is "twelve billion, seven hundred thirty-eight million, two hundred sixty-five thousand, four hundred sixty-two".

Divisors: 1 2 13 26 197 394 2561 5122 2486971 4973942 32330623 64661246 489933287 979866574 6369132731 12738265462