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47117320747 = 76731045821
BaseRepresentation
bin101011111000011010…
…010100001000101011
311111121200112220002121
4223320122110020223
51232444013230442
633351223412111
73255416422030
oct537032241053
9144550486077
1047117320747
1118a89554502
12916b5b4037
13459b784a63
1423cd947387
15135b777967
hexaf869422b

47117320747 has 4 divisors (see below), whose sum is σ = 53848366576. Its totient is φ = 40386274920.

The previous prime is 47117320739. The next prime is 47117320801. The reversal of 47117320747 is 74702371174.

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 47117320747 - 23 = 47117320739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47117320727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3365522904 + ... + 3365522917.

It is an arithmetic number, because the mean of its divisors is an integer number (13462091644).

Almost surely, 247117320747 is an apocalyptic number.

47117320747 is a deficient number, since it is larger than the sum of its proper divisors (6731045829).

47117320747 is an equidigital number, since it uses as much as digits as its factorization.

47117320747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6731045828.

The product of its (nonzero) digits is 230496, while the sum is 43.

The spelling of 47117320747 in words is "forty-seven billion, one hundred seventeen million, three hundred twenty thousand, seven hundred forty-seven".

Divisors: 1 7 6731045821 47117320747