Search a number
-
+
50652880640 = 28539799679
BaseRepresentation
bin101111001011001001…
…011001111100000000
311211202002022221111022
4233023021121330000
51312214114140030
635134123005012
73442140244565
oct571311317400
9154662287438
1050652880640
111a533259a2a
129997669768
134a130c1c2b
14264732086c
1514b6d5ade5
hexbcb259f00

50652880640 has 72 divisors (see below), whose sum is σ = 121636314240. Its totient is φ = 20209913856.

The previous prime is 50652880613. The next prime is 50652880661. The reversal of 50652880640 is 4608825605.

It is a junction number, because it is equal to n+sod(n) for n = 50652880591 and 50652880600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458321 + ... + 557999.

Almost surely, 250652880640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50652880640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60818157120).

50652880640 is an abundant number, since it is smaller than the sum of its proper divisors (70983433600).

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

50652880640 is an equidigital number, since it uses as much as digits as its factorization.

50652880640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100097 (or 100083 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 50652880640 in words is "fifty billion, six hundred fifty-two million, eight hundred eighty thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 397 640 794 1280 1588 1985 3176 3970 6352 7940 12704 15880 25408 31760 50816 63520 99679 101632 127040 199358 254080 398716 498395 508160 797432 996790 1594864 1993580 3189728 3987160 6379456 7974320 12758912 15948640 25517824 31897280 39572563 63794560 79145126 127589120 158290252 197862815 316580504 395725630 633161008 791451260 1266322016 1582902520 2532644032 3165805040 5065288064 6331610080 10130576128 12663220160 25326440320 50652880640