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50104105421 = 458231093427
BaseRepresentation
bin101110101010011011…
…111111100111001101
311210022211201021102012
4232222123333213031
51310103122333141
635003440511005
73422424604046
oct565233774715
9153284637365
1050104105421
111a281508a97
12986391b465
1349564c0076
1425d44ad8cd
151483aaaceb
hexbaa6ff9cd

50104105421 has 4 divisors (see below), whose sum is σ = 50105244672. Its totient is φ = 50102966172.

The previous prime is 50104105411. The next prime is 50104105427. The reversal of 50104105421 is 12450140105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50104105421 - 214 = 50104089037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50104105427) 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, 500891 + ... + 592536.

It is an arithmetic number, because the mean of its divisors is an integer number (12526311168).

Almost surely, 250104105421 is an apocalyptic number.

It is an amenable number.

50104105421 is a deficient number, since it is larger than the sum of its proper divisors (1139251).

50104105421 is a wasteful number, since it uses less digits than its factorization.

50104105421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139250.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 50104105421 its reverse (12450140105), we get a palindrome (62554245526).

The spelling of 50104105421 in words is "fifty billion, one hundred four million, one hundred five thousand, four hundred twenty-one".

Divisors: 1 45823 1093427 50104105421