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540996783427 = 557971268911
BaseRepresentation
bin1111101111101011110…
…10111100110101000011
31220201101222220002112201
413313311322330311003
532330430134032202
61052310330334031
754041255533312
oct7676572746503
91821358802481
10540996783427
111994876426a1
1288a2288a317
133c0288823c9
141c281d42279
15e114db3387
hex7df5ebcd43

540996783427 has 4 divisors (see below), whose sum is σ = 541968052896. Its totient is φ = 540025513960.

The previous prime is 540996783389. The next prime is 540996783517. The reversal of 540996783427 is 724387699045.

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

It is a cyclic number.

It is not a de Polignac number, because 540996783427 - 211 = 540996781379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540996783227) 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, 485633899 + ... + 485635012.

It is an arithmetic number, because the mean of its divisors is an integer number (135492013224).

Almost surely, 2540996783427 is an apocalyptic number.

540996783427 is a deficient number, since it is larger than the sum of its proper divisors (971269469).

540996783427 is an equidigital number, since it uses as much as digits as its factorization.

540996783427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971269468.

The product of its (nonzero) digits is 91445760, while the sum is 64.

The spelling of 540996783427 in words is "five hundred forty billion, nine hundred ninety-six million, seven hundred eighty-three thousand, four hundred twenty-seven".

Divisors: 1 557 971268911 540996783427