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5138649105 = 354183100669
BaseRepresentation
bin1001100100100100…
…11001000000010001
3111021010021102101020
410302102121000101
541010443232410
62205523030053
7241224540162
oct46222310021
914233242336
105138649105
1121a76a7147
12bb4b0b329
1363b7b5095
1436a673769
152011e2a70
hex132499011

5138649105 has 32 divisors (see below), whose sum is σ = 8523930240. Its totient is φ = 2641528320.

The previous prime is 5138649083. The next prime is 5138649119. The reversal of 5138649105 is 5019468315.

It is not a de Polignac number, because 5138649105 - 223 = 5130260497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 711 + ... + 101379.

It is an arithmetic number, because the mean of its divisors is an integer number (266372820).

Almost surely, 25138649105 is an apocalyptic number.

It is an amenable number.

5138649105 is a deficient number, since it is larger than the sum of its proper divisors (3385281135).

5138649105 is a wasteful number, since it uses less digits than its factorization.

5138649105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100801.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 5138649105 is about 71684.3714138584. The cubic root of 5138649105 is about 1725.6378351188.

The spelling of 5138649105 in words is "five billion, one hundred thirty-eight million, six hundred forty-nine thousand, one hundred five".

Divisors: 1 3 5 15 41 83 123 205 249 415 615 1245 3403 10209 17015 51045 100669 302007 503345 1510035 4127429 8355527 12382287 20637145 25066581 41777635 61911435 125332905 342576607 1027729821 1712883035 5138649105