Base | Representation |
---|---|
bin | 100010100011010101… |
… | …1001001111110101100 |
3 | 21002112010200210021022 |
4 | 1011012223021332230 |
5 | 2203430220142340 |
6 | 54030450553312 |
7 | 5234514654362 |
oct | 1050653117654 |
9 | 232463623238 |
10 | 74200162220 |
11 | 2951706a118 |
12 | 12469598838 |
13 | 6cc667c142 |
14 | 383c791632 |
15 | 1de42233b5 |
hex | 1146ac9fac |
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".
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