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3888480317929 = 773225512
BaseRepresentation
bin111000100101011011011…
…111001111000111101001
3111202201211212201212122221
4320211123133033013221
51002202101430133204
612134202044114041
7550635111231514
oct70453337170751
914681755655587
103888480317929
11126a105848969
12529744235921
132228b3807a8c
14d62bc3b1d7b
156b23577b654
hex3895b7cf1e9

3888480317929 has 9 divisors (see below), whose sum is σ = 3895044070359. Its totient is φ = 3881927617800.

The previous prime is 3888480317867. The next prime is 3888480317947. The reversal of 3888480317929 is 9297130848883.

The square root of 3888480317929 is 1971923.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 247451528025 + 3641028789904 = 497445^2 + 1908148^2 .

It is a de Polignac number, because none of the positive numbers 2k-3888480317929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3888480347929) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1524295204 + ... + 1524297754.

Almost surely, 23888480317929 is an apocalyptic number.

3888480317929 is the 1971923-rd square number.

3888480317929 is the 985962-nd centered octagonal number.

It is an amenable number.

3888480317929 is a deficient number, since it is larger than the sum of its proper divisors (6563752430).

3888480317929 is an frugal number, since it uses more digits than its factorization.

3888480317929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6648 (or 3324 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 70.

The spelling of 3888480317929 in words is "three trillion, eight hundred eighty-eight billion, four hundred eighty million, three hundred seventeen thousand, nine hundred twenty-nine".

Divisors: 1 773 2551 597529 1971923 6507601 1524296479 5030375573 3888480317929