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27007242943 = 52095184727
BaseRepresentation
bin11001001001110000…
…011101001010111111
32120201011220002111011
4121021300131022333
5420302323233233
620223522540051
71644156530422
oct311160351277
976634802434
1027007242943
11104a998039a
125298807627
132715348535
141442ba99b9
15a810160cd
hex649c1d2bf

27007242943 has 4 divisors (see below), whose sum is σ = 27012432880. Its totient is φ = 27002053008.

The previous prime is 27007242929. The next prime is 27007242953. The reversal of 27007242943 is 34924270072.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27007242943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27007242896 and 27007242905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27007242953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2587155 + ... + 2597572.

It is an arithmetic number, because the mean of its divisors is an integer number (6753108220).

Almost surely, 227007242943 is an apocalyptic number.

27007242943 is a deficient number, since it is larger than the sum of its proper divisors (5189937).

27007242943 is an equidigital number, since it uses as much as digits as its factorization.

27007242943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189936.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 27007242943 in words is "twenty-seven billion, seven million, two hundred forty-two thousand, nine hundred forty-three".

Divisors: 1 5209 5184727 27007242943