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47804683693 = 1319718666413
BaseRepresentation
bin101100100001011000…
…011001010110101101
311120101120221112210111
4230201120121112231
51240400444334233
633543340140021
73311434051444
oct544130312655
9146346845714
1047804683693
1119301552458
129321837611
13467acbb1b0
142456d51d5b
15139bca0acd
hexb216195ad

47804683693 has 8 divisors (see below), whose sum is σ = 51743299608. Its totient is φ = 43903401024.

The previous prime is 47804683691. The next prime is 47804683699. The reversal of 47804683693 is 39638640874.

It can be written as a sum of positive squares in 4 ways, for example, as 14133167689 + 33671516004 = 118883^2 + 183498^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47804683693 - 21 = 47804683691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47804683691) 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 7 ways as a sum of consecutive naturals, for example, 9330646 + ... + 9335767.

It is an arithmetic number, because the mean of its divisors is an integer number (6467912451).

Almost surely, 247804683693 is an apocalyptic number.

It is an amenable number.

47804683693 is a deficient number, since it is larger than the sum of its proper divisors (3938615915).

47804683693 is a wasteful number, since it uses less digits than its factorization.

47804683693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18666623.

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 47804683693 in words is "forty-seven billion, eight hundred four million, six hundred eighty-three thousand, six hundred ninety-three".

Divisors: 1 13 197 2561 18666413 242663369 3677283361 47804683693