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50121211 = 727725849
BaseRepresentation
bin1011111100110…
…0100111111011
310111022102101011
42333030213323
5100312334321
64550134351
71146010660
oct277144773
9114272334
1050121211
1126323898
12149513b7
13a4cb62a
146929a67
154600ae1
hex2fcc9fb

50121211 has 8 divisors (see below), whose sum is σ = 57490400. Its totient is φ = 42804288.

The previous prime is 50121191. The next prime is 50121217. The reversal of 50121211 is 11212105.

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

It is a cyclic number.

It is not a de Polignac number, because 50121211 - 217 = 49990139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50121191 and 50121200.

It is not an unprimeable number, because it can be changed into a prime (50121217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10986 + ... + 14863.

It is an arithmetic number, because the mean of its divisors is an integer number (7186300).

Almost surely, 250121211 is an apocalyptic number.

50121211 is a deficient number, since it is larger than the sum of its proper divisors (7369189).

50121211 is a wasteful number, since it uses less digits than its factorization.

50121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26133.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 50121211 is about 7079.6335357136. The cubic root of 50121211 is about 368.7006063880.

Adding to 50121211 its reverse (11212105), we get a palindrome (61333316).

It can be divided in two parts, 501 and 21211, that added together give a palindrome (21712).

The spelling of 50121211 in words is "fifty million, one hundred twenty-one thousand, two hundred eleven".

Divisors: 1 7 277 1939 25849 180943 7160173 50121211