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74200162220 = 225311071118483
BaseRepresentation
bin100010100011010101…
…1001001111110101100
321002112010200210021022
41011012223021332230
52203430220142340
654030450553312
75234514654362
oct1050653117654
9232463623238
1074200162220
112951706a118
1212469598838
136cc667c142
14383c791632
151de42233b5
hex1146ac9fac

74200162220 has 48 divisors (see below), whose sum is σ = 162350189568. Its totient is φ = 28454182080.

The previous prime is 74200162217. The next prime is 74200162229. The reversal of 74200162220 is 2226100247.

It is a self number, because there is not a number n which added to its sum of digits gives 74200162220.

It is not an unprimeable number, because it can be changed into a prime (74200162229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492902 + ... + 625581.

It is an arithmetic number, because the mean of its divisors is an integer number (3382295616).

Almost surely, 274200162220 is an apocalyptic number.

It is an amenable number.

74200162220 is an abundant number, since it is smaller than the sum of its proper divisors (88150027348).

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

74200162220 is a wasteful number, since it uses less digits than its factorization.

74200162220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118630 (or 1118628 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 74200162220 its reverse (2226100247), we get a palindrome (76426262467).

The spelling of 74200162220 in words is "seventy-four billion, two hundred million, one hundred sixty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 107 124 155 214 310 428 535 620 1070 2140 3317 6634 13268 16585 33170 66340 1118483 2236966 4473932 5592415 11184830 22369660 34672973 69345946 119677681 138691892 173364865 239355362 346729730 478710724 598388405 693459460 1196776810 2393553620 3710008111 7420016222 14840032444 18550040555 37100081110 74200162220