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50505442312 = 2313485629253
BaseRepresentation
bin101111000010010110…
…111110010000001000
311211100210220022010111
4233002112332100020
51311413343123222
635111334524104
73435400114333
oct570226762010
9154323808114
1050505442312
111a468007376
129956206634
1349bb6ac010
14263190161a
1514a8e35777
hexbc25be408

50505442312 has 16 divisors (see below), whose sum is σ = 101982143340. Its totient is φ = 23310204096.

The previous prime is 50505442291. The next prime is 50505442343. The reversal of 50505442312 is 21324450505.

It can be written as a sum of positive squares in 2 ways, for example, as 45311933956 + 5193508356 = 212866^2 + 72066^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242814523 + ... + 242814730.

Almost surely, 250505442312 is an apocalyptic number.

50505442312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

50505442312 is an abundant number, since it is smaller than the sum of its proper divisors (51476701028).

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

50505442312 is a wasteful number, since it uses less digits than its factorization.

50505442312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485629272 (or 485629268 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 50505442312 its reverse (21324450505), we get a palindrome (71829892817).

The spelling of 50505442312 in words is "fifty billion, five hundred five million, four hundred forty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 485629253 971258506 1942517012 3885034024 6313180289 12626360578 25252721156 50505442312