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5185489122 = 23211215432
BaseRepresentation
bin1001101010001010…
…00100100011100010
3111101101102010210200
410311011010203202
541104441122442
62214315010030
7242333634042
oct46505044342
914341363720
105185489122
112221089800
121008739916
13648405078
14372987722
1520539634c
hex1351448e2

5185489122 has 54 divisors (see below), whose sum is σ = 12357472491. Its totient is φ = 1570341960.

The previous prime is 5185489117. The next prime is 5185489129. The reversal of 5185489122 is 2219845815.

5185489122 is a `hidden beast` number, since 5 + 18 + 548 + 91 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2592744561 + 2592744561 = 50919^2 + 50919^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=50919.

It is not an unprimeable number, because it can be changed into a prime (5185489129) 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 26 ways as a sum of consecutive naturals, for example, 3359883 + ... + 3361425.

Almost surely, 25185489122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5185489122

5185489122 is an abundant number, since it is smaller than the sum of its proper divisors (7171983369).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5185489122 is a wasteful number, since it uses less digits than its factorization.

5185489122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116 (or 1559 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 5185489122 is about 72010.3403824756. The cubic root of 5185489122 is about 1730.8651849826.

The spelling of 5185489122 in words is "five billion, one hundred eighty-five million, four hundred eighty-nine thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 121 198 242 363 726 1089 1543 2178 3086 4629 9258 13887 16973 27774 33946 50919 101838 152757 186703 305514 373406 560109 1120218 1680327 2380849 3360654 4761698 7142547 14285094 21427641 26189339 42855282 52378678 78568017 157136034 235704051 288082729 471408102 576165458 864248187 1728496374 2592744561 5185489122