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50026090421 = 79762767993
BaseRepresentation
bin101110100101110010…
…011000111110110101
311210010101220200221202
4232211302120332311
51304423134343141
634552012422245
73420456516056
oct564562307665
9153111820852
1050026090421
111a24147318a
129841777985
1349432a6348
1425c7da272d
15147bcea49b
hexba5c98fb5

50026090421 has 4 divisors (see below), whose sum is σ = 50088859212. Its totient is φ = 49963321632.

The previous prime is 50026090399. The next prime is 50026090459. The reversal of 50026090421 is 12409062005.

It is a happy number.

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 27229620196 + 22796470225 = 165014^2 + 150985^2 .

It is a cyclic number.

It is not a de Polignac number, because 50026090421 - 214 = 50026074037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50026090021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31383200 + ... + 31384793.

It is an arithmetic number, because the mean of its divisors is an integer number (12522214803).

Almost surely, 250026090421 is an apocalyptic number.

It is an amenable number.

50026090421 is a deficient number, since it is larger than the sum of its proper divisors (62768791).

50026090421 is an equidigital number, since it uses as much as digits as its factorization.

50026090421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62768790.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 50026090421 in words is "fifty billion, twenty-six million, ninety thousand, four hundred twenty-one".

Divisors: 1 797 62767993 50026090421