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5005438979 = 171814493623
BaseRepresentation
bin1001010100101100…
…01111000000000011
3110220211121122102212
410222112033000003
540222343021404
62144403532335
7235016346362
oct45226170003
913824548385
105005438979
112139492432
12b7838a0ab
1361a014418
14356ab97d9
151e467d06e
hex12a58f003

5005438979 has 16 divisors (see below), whose sum is σ = 5342500800. Its totient is φ = 4673249280.

The previous prime is 5005438909. The next prime is 5005439027. The reversal of 5005438979 is 9798345005.

It is a cyclic number.

It is not a de Polignac number, because 5005438979 - 232 = 710471683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5005438909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379762 + ... + 1383384.

It is an arithmetic number, because the mean of its divisors is an integer number (333906300).

Almost surely, 25005438979 is an apocalyptic number.

5005438979 is a deficient number, since it is larger than the sum of its proper divisors (337061821).

5005438979 is a wasteful number, since it uses less digits than its factorization.

5005438979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 5005438979 is about 70749.1270546853. The cubic root of 5005438979 is about 1710.5957568730.

The spelling of 5005438979 in words is "five billion, five million, four hundred thirty-eight thousand, nine hundred seventy-nine".

Divisors: 1 17 181 449 3077 3623 7633 61591 81269 655763 1381573 1626727 11147971 27654359 294437587 5005438979