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50520102401 = 371365408173
BaseRepresentation
bin101111000011001110…
…111001011000000001
311211101211111002222202
4233003032321120001
51311431121234101
635113021042545
73435635533166
oct570316713001
9154354432882
1050520102401
111a47530a74a
12995b0b6455
1349c1742a22
14263383a06d
1514aa37e36b
hexbc33b9601

50520102401 has 4 divisors (see below), whose sum is σ = 51885510612. Its totient is φ = 49154694192.

The previous prime is 50520102377. The next prime is 50520102403. The reversal of 50520102401 is 10420102505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21039212401 + 29480890000 = 145049^2 + 171700^2 .

It is a cyclic number.

It is not a de Polignac number, because 50520102401 - 226 = 50452993537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50520102403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682704050 + ... + 682704123.

It is an arithmetic number, because the mean of its divisors is an integer number (12971377653).

Almost surely, 250520102401 is an apocalyptic number.

It is an amenable number.

50520102401 is a deficient number, since it is larger than the sum of its proper divisors (1365408211).

50520102401 is a wasteful number, since it uses less digits than its factorization.

50520102401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365408210.

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 50520102401 its reverse (10420102505), we get a palindrome (60940204906).

The spelling of 50520102401 in words is "fifty billion, five hundred twenty million, one hundred two thousand, four hundred one".

Divisors: 1 37 1365408173 50520102401