Search a number
-
+
50560660878 = 23721316198171
BaseRepresentation
bin101111000101101001…
…100111010110001110
311211111122210200202120
4233011221213112032
51312022012122003
635121030233410
73436640345400
oct570551472616
9154448720676
1050560660878
111a4961a1952
1299707b5866
1349c9c73820
142638d96b70
1514adbe1853
hexbc5a6758e

50560660878 has 96 divisors (see below), whose sum is σ = 126773216640. Its totient is φ = 13324812480.

The previous prime is 50560660861. The next prime is 50560660937. The reversal of 50560660878 is 87806606505.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50560660878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6183733 + ... + 6191903.

It is an arithmetic number, because the mean of its divisors is an integer number (1320554340).

Almost surely, 250560660878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50560660878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63386608320).

50560660878 is an abundant number, since it is smaller than the sum of its proper divisors (76212555762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50560660878 is a wasteful number, since it uses less digits than its factorization.

50560660878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9822 (or 9815 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 50560660878 in words is "fifty billion, five hundred sixty million, six hundred sixty thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 49 78 91 98 147 182 273 294 546 637 1274 1619 1911 3238 3822 4857 8171 9714 11333 16342 21047 22666 24513 33999 42094 49026 57197 63141 67998 79331 106223 114394 126282 147329 158662 171591 212446 237993 294658 318669 343182 400379 441987 475986 637338 743561 800758 883974 1031303 1201137 1487122 2062606 2230683 2402274 3093909 4461366 5204927 6187818 10409854 13228849 15614781 26457698 31229562 39686547 79373094 92601943 171975037 185203886 277805829 343950074 515925111 555611658 648213601 1031850222 1203825259 1296427202 1944640803 2407650518 3611475777 3889281606 7222951554 8426776813 16853553626 25280330439 50560660878