Base | Representation |
---|---|
bin | 1100110110100100011… |
… | …1010111111010110010 |
3 | 210002221102002100002020 |
4 | 3031221013113322302 |
5 | 12104203024412004 |
6 | 245234241332310 |
7 | 21644541310416 |
oct | 3155107277262 |
9 | 702842070066 |
10 | 220806872754 |
11 | 857097a5706 |
12 | 36963937096 |
13 | 17a8bc14cc0 |
14 | a989600d46 |
15 | 5b24e738d9 |
hex | 33691d7eb2 |
220806872754 has 16 divisors (see below), whose sum is σ = 475584033792. Its totient is φ = 67940576208.
The previous prime is 220806872747. The next prime is 220806872851. The reversal of 220806872754 is 457278608022.
It is a super-2 number, since 2×2208068727542 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 220806872697 and 220806872706.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1415428594 + ... + 1415428749.
It is an arithmetic number, because the mean of its divisors is an integer number (29724002112).
Almost surely, 2220806872754 is an apocalyptic number.
220806872754 is an abundant number, since it is smaller than the sum of its proper divisors (254777161038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220806872754 is a wasteful number, since it uses less digits than its factorization.
220806872754 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2830857361.
The product of its (nonzero) digits is 3010560, while the sum is 51.
It can be divided in two parts, 2208068 and 72754, that added together give a palindrome (2280822).
The spelling of 220806872754 in words is "two hundred twenty billion, eight hundred six million, eight hundred seventy-two thousand, seven hundred fifty-four".
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