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47738918053 = 239199744427
BaseRepresentation
bin101100011101011101…
…100001010010100101
311120020000012022022001
4230131131201102211
51240232130334203
633533030405301
73310005052051
oct543535412245
9146200168261
1047738918053
1119278413792
129303800831
13466a4a2b08
14244c312c61
15139610e91d
hexb1d7614a5

47738918053 has 4 divisors (see below), whose sum is σ = 47938662720. Its totient is φ = 47539173388.

The previous prime is 47738918009. The next prime is 47738918063. The reversal of 47738918053 is 35081983774.

It is a happy number.

47738918053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47738918053 - 213 = 47738909861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47738917985 and 47738918003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47738918063) 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, 99871975 + ... + 99872452.

It is an arithmetic number, because the mean of its divisors is an integer number (11984665680).

Almost surely, 247738918053 is an apocalyptic number.

It is an amenable number.

47738918053 is a deficient number, since it is larger than the sum of its proper divisors (199744667).

47738918053 is a wasteful number, since it uses less digits than its factorization.

47738918053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199744666.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 47738918053 in words is "forty-seven billion, seven hundred thirty-eight million, nine hundred eighteen thousand, fifty-three".

Divisors: 1 239 199744427 47738918053