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50431441220 = 225191131174463
BaseRepresentation
bin101110111101111100…
…101011100101000100
311211011122122122201022
4232331330223211010
51311240422104340
635100132450312
73433511114606
oct567574534504
9154148578638
1050431441220
111a42a263246
129935479998
1349a926c2a4
142625b5b176
1514a26b93b5
hexbbdf2b944

50431441220 has 48 divisors (see below), whose sum is σ = 112466672640. Its totient is φ = 18941723136.

The previous prime is 50431441217. The next prime is 50431441241. The reversal of 50431441220 is 2214413405.

It is a self number, because there is not a number n which added to its sum of digits gives 50431441220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544292 + ... + 630171.

It is an arithmetic number, because the mean of its divisors is an integer number (2343055680).

Almost surely, 250431441220 is an apocalyptic number.

It is an amenable number.

50431441220 is an abundant number, since it is smaller than the sum of its proper divisors (62035231420).

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

50431441220 is a wasteful number, since it uses less digits than its factorization.

50431441220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174604 (or 1174602 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 50431441220 its reverse (2214413405), we get a palindrome (52645854625).

The spelling of 50431441220 in words is "fifty billion, four hundred thirty-one million, four hundred forty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 113 190 226 380 452 565 1130 2147 2260 4294 8588 10735 21470 42940 1174463 2348926 4697852 5872315 11744630 22314797 23489260 44629594 89259188 111573985 132714319 223147970 265428638 446295940 530857276 663571595 1327143190 2521572061 2654286380 5043144122 10086288244 12607860305 25215720610 50431441220