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12627075387 = 3648772
BaseRepresentation
bin10111100001010000…
…11110000100111011
31012121000001220001210
423300220132010323
5201330012403022
65444550014203
7624624240603
oct136050360473
935530056053
1012627075387
11539a7226a3
122544947363
131263050154
1487b011c03
154dd83aa0c
hex2f0a1e13b

12627075387 has 6 divisors (see below), whose sum is σ = 16836360028. Its totient is φ = 8417920504.

The previous prime is 12627075379. The next prime is 12627075389. The reversal of 12627075387 is 78357072621.

12627075387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12627075387 - 23 = 12627075379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12627075389) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 162193 + ... + 227069.

Almost surely, 212627075387 is an apocalyptic number.

12627075387 is a deficient number, since it is larger than the sum of its proper divisors (4209284641).

12627075387 is an frugal number, since it uses more digits than its factorization.

12627075387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129757 (or 64880 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

Multiplying 12627075387 by its sum of digits (48), we get a square (606099618576 = 7785242).

The spelling of 12627075387 in words is "twelve billion, six hundred twenty-seven million, seventy-five thousand, three hundred eighty-seven".

Divisors: 1 3 64877 194631 4209025129 12627075387