Base | Representation |
---|---|
bin | 1100001010000010111… |
… | …0110000100101000111 |
3 | 201222002110121110000211 |
4 | 3002200232300211013 |
5 | 11410213342324000 |
6 | 235540252220251 |
7 | 21042423366040 |
oct | 3024056604507 |
9 | 658073543024 |
10 | 208855042375 |
11 | 80636254641 |
12 | 3458916a687 |
13 | 16905a47715 |
14 | a1741618c7 |
15 | 5675a6a7ba |
hex | 30a0bb0947 |
208855042375 has 32 divisors (see below), whose sum is σ = 305938009728. Its totient is φ = 139344192000.
The previous prime is 208855042373. The next prime is 208855042441. The reversal of 208855042375 is 573240558802.
It is not a de Polignac number, because 208855042375 - 21 = 208855042373 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208855042373) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3193186 + ... + 3257935.
It is an arithmetic number, because the mean of its divisors is an integer number (9560562804).
Almost surely, 2208855042375 is an apocalyptic number.
208855042375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
208855042375 is a deficient number, since it is larger than the sum of its proper divisors (97082967353).
208855042375 is an equidigital number, since it uses as much as digits as its factorization.
208855042375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6451180 (or 6451170 counting only the distinct ones).
The product of its (nonzero) digits is 2688000, while the sum is 49.
The spelling of 208855042375 in words is "two hundred eight billion, eight hundred fifty-five million, forty-two thousand, three hundred seventy-five".
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