Search a number
-
+
72030217418 = 2532113220523
BaseRepresentation
bin100001100010101010…
…1011110010011001010
320212220220120011121022
41003011111132103022
52140004213424133
653031253312442
75126655513605
oct1030525362312
9225826504538
1072030217418
11286031a8505
1211b62935722
136a3bc41933
1436b44d933c
151d18991998
hex10c555e4ca

72030217418 has 16 divisors (see below), whose sum is σ = 110605676256. Its totient is φ = 35168100240.

The previous prime is 72030217393. The next prime is 72030217423. The reversal of 72030217418 is 81471203027.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1587896 + ... + 1632627.

It is an arithmetic number, because the mean of its divisors is an integer number (6912854766).

Almost surely, 272030217418 is an apocalyptic number.

72030217418 is a deficient number, since it is larger than the sum of its proper divisors (38575458838).

72030217418 is a wasteful number, since it uses less digits than its factorization.

72030217418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220789.

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 72030217418 in words is "seventy-two billion, thirty million, two hundred seventeen thousand, four hundred eighteen".

Divisors: 1 2 53 106 211 422 11183 22366 3220523 6441046 170687719 341375438 679530353 1359060706 36015108709 72030217418