Base | Representation |
---|---|
bin | 1101010100011111111… |
… | …1001010110001110010 |
3 | 210212200022201201001212 |
4 | 3111013333022301302 |
5 | 12222131244230432 |
6 | 253043401000122 |
7 | 22350615322100 |
oct | 3250777126162 |
9 | 725608651055 |
10 | 228841008242 |
11 | 89061868600 |
12 | 38426483042 |
13 | 1876c54a522 |
14 | b10c632c70 |
15 | 5e454632b2 |
hex | 3547fcac72 |
228841008242 has 162 divisors, whose sum is σ = 461231883567. Its totient is φ = 84835858800.
The previous prime is 228841008241. The next prime is 228841008299. The reversal of 228841008242 is 242800148822.
It can be written as a sum of positive squares in only one way, i.e., 114420504121 + 114420504121 = 338261^2 + 338261^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=338261.
It is a super-2 number, since 2×2288410082422 (a number of 24 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 228841008242.
It is not an unprimeable number, because it can be changed into a prime (228841008241) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1198120367 + ... + 1198120557.
Almost surely, 2228841008242 is an apocalyptic number.
228841008242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
228841008242 is an abundant number, since it is smaller than the sum of its proper divisors (232390875325).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228841008242 is a wasteful number, since it uses less digits than its factorization.
228841008242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 466 (or 234 counting only the distinct ones).
The product of its (nonzero) digits is 131072, while the sum is 41.
The spelling of 228841008242 in words is "two hundred twenty-eight billion, eight hundred forty-one million, eight thousand, two hundred forty-two".
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