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5149831817 = 133129994261
BaseRepresentation
bin1001100101111010…
…00011001010001001
3111021220022120011202
410302331003022021
541021324104232
62211002433545
7241421563634
oct46275031211
914256276152
105149831817
112202a44959
12bb88028b5
13640bcc080
1436bd44c1b
152021a1162
hex132f43289

5149831817 has 16 divisors (see below), whose sum is σ = 5728128000. Its totient is φ = 4597732800.

The previous prime is 5149831727. The next prime is 5149831823. The reversal of 5149831817 is 7181389415.

It is a cyclic number.

It is not a de Polignac number, because 5149831817 - 210 = 5149830793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5149831837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206467 + ... + 1210727.

It is an arithmetic number, because the mean of its divisors is an integer number (358008000).

Almost surely, 25149831817 is an apocalyptic number.

It is an amenable number.

5149831817 is a deficient number, since it is larger than the sum of its proper divisors (578296183).

5149831817 is a wasteful number, since it uses less digits than its factorization.

5149831817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7304.

The product of its digits is 241920, while the sum is 47.

The square root of 5149831817 is about 71762.3286759843. The cubic root of 5149831817 is about 1726.8887040523. Note that the first 3 decimals are identical.

The spelling of 5149831817 in words is "five billion, one hundred forty-nine million, eight hundred thirty-one thousand, eight hundred seventeen".

Divisors: 1 13 31 403 2999 4261 38987 55393 92969 132091 1208597 1717183 12778739 166123607 396140909 5149831817