Search a number
-
+
208855042375 = 537376451121
BaseRepresentation
bin1100001010000010111…
…0110000100101000111
3201222002110121110000211
43002200232300211013
511410213342324000
6235540252220251
721042423366040
oct3024056604507
9658073543024
10208855042375
1180636254641
123458916a687
1316905a47715
14a1741618c7
155675a6a7ba
hex30a0bb0947

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".

Divisors: 1 5 7 25 35 37 125 175 185 259 875 925 1295 4625 6475 32375 6451121 32255605 45157847 161278025 225789235 238691477 806390125 1128946175 1193457385 1670840339 5644730875 5967286925 8354201695 29836434625 41771008475 208855042375