Search a number
-
+
50840987353 = 1323170036747
BaseRepresentation
bin101111010110010110…
…111110011011011001
311212020012021202101121
4233112112332123121
51313110243043403
635204522445241
73446613155632
oct572626763331
9155205252347
1050840987353
111a61a459322
129a2a663821
134a43073990
1426642c8889
1514c86163bd
hexbd65be6d9

50840987353 has 8 divisors (see below), whose sum is σ = 57132347328. Its totient is φ = 44889700944.

The previous prime is 50840987347. The next prime is 50840987363. The reversal of 50840987353 is 35378904805.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-50840987353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50840987353.

It is not an unprimeable number, because it can be changed into a prime (50840987363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85018075 + ... + 85018672.

It is an arithmetic number, because the mean of its divisors is an integer number (7141543416).

Almost surely, 250840987353 is an apocalyptic number.

It is an amenable number.

50840987353 is a deficient number, since it is larger than the sum of its proper divisors (6291359975).

50840987353 is a wasteful number, since it uses less digits than its factorization.

50840987353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170036783.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 50840987353 in words is "fifty billion, eight hundred forty million, nine hundred eighty-seven thousand, three hundred fifty-three".

Divisors: 1 13 23 299 170036747 2210477711 3910845181 50840987353