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47738806127 = 50993789403
BaseRepresentation
bin101100011101011101…
…000101111101101111
311120012222222121202122
4230131131011331233
51240232113244002
633533024143155
73310004104535
oct543535057557
9146188877678
1047738806127
1119278347691
129303767abb
13466a463b9c
14244c2c4155
1513960db6a2
hexb1d745f6f

47738806127 has 4 divisors (see below), whose sum is σ = 47832596040. Its totient is φ = 47645016216.

The previous prime is 47738806091. The next prime is 47738806237. The reversal of 47738806127 is 72160883774.

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-47738806127 is a prime.

It is a super-2 number, since 2×477388061272 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47738803127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46894193 + ... + 46895210.

It is an arithmetic number, because the mean of its divisors is an integer number (11958149010).

Almost surely, 247738806127 is an apocalyptic number.

47738806127 is a deficient number, since it is larger than the sum of its proper divisors (93789913).

47738806127 is an equidigital number, since it uses as much as digits as its factorization.

47738806127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93789912.

The product of its (nonzero) digits is 3161088, while the sum is 53.

The spelling of 47738806127 in words is "forty-seven billion, seven hundred thirty-eight million, eight hundred six thousand, one hundred twenty-seven".

Divisors: 1 509 93789403 47738806127