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50131049855 = 524147998669
BaseRepresentation
bin101110101100000010…
…110001110101111111
311210101201102012020012
4232230002301311333
51310132022043410
635010242213435
73423202615205
oct565402616577
9153351365205
1050131049855
111a295741817
12987095427b
13495bc65313
1425d7cc5075
15148612e605
hexbac0b1d7f

50131049855 has 16 divisors (see below), whose sum is σ = 60426432000. Its totient is φ = 39925501440.

The previous prime is 50131049827. The next prime is 50131049863. The reversal of 50131049855 is 55894013105.

It is not a de Polignac number, because 50131049855 - 224 = 50114272639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5778461 + ... + 5787129.

It is an arithmetic number, because the mean of its divisors is an integer number (3776652000).

Almost surely, 250131049855 is an apocalyptic number.

50131049855 is a deficient number, since it is larger than the sum of its proper divisors (10295382145).

50131049855 is a wasteful number, since it uses less digits than its factorization.

50131049855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13714.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 50131049855 in words is "fifty billion, one hundred thirty-one million, forty-nine thousand, eight hundred fifty-five".

Divisors: 1 5 241 1205 4799 8669 23995 43345 1156559 2089229 5782795 10446145 41602531 208012655 10026209971 50131049855