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50520224420 = 22519243162727
BaseRepresentation
bin101111000011001111…
…010111001010100100
311211101211201022100222
4233003033113022210
51311431134140140
635113023423512
73435636552011
oct570317271244
9154354638328
1050520224420
111a475393396
12995b154b98
1349c1786423
14263386c708
1514aa3a55b5
hexbc33d72a4

50520224420 has 72 divisors (see below), whose sum is σ = 114574832064. Its totient is φ = 18699170112.

The previous prime is 50520224413. The next prime is 50520224459. The reversal of 50520224420 is 2442202505.

It is a self number, because there is not a number n which added to its sum of digits gives 50520224420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229097 + ... + 391823.

It is an arithmetic number, because the mean of its divisors is an integer number (1591317112).

Almost surely, 250520224420 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 50520224420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57287416032).

50520224420 is an abundant number, since it is smaller than the sum of its proper divisors (64054607644).

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

50520224420 is a wasteful number, since it uses less digits than its factorization.

50520224420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162817 (or 162796 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

Adding to 50520224420 its reverse (2442202505), we get a palindrome (52962426925).

The spelling of 50520224420 in words is "fifty billion, five hundred twenty million, two hundred twenty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 43 76 86 95 172 190 215 361 380 430 722 817 860 1444 1634 1805 3268 3610 4085 7220 8170 15523 16340 31046 62092 77615 155230 162727 310460 325454 650908 813635 1627270 3091813 3254540 6183626 6997261 12367252 13994522 15459065 27989044 30918130 34986305 58744447 61836260 69972610 117488894 132947959 139945220 234977788 265895918 293722235 531791836 587444470 664739795 1174888940 1329479590 2526011221 2658959180 5052022442 10104044884 12630056105 25260112210 50520224420