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38020784047 is a prime number
BaseRepresentation
bin100011011010001101…
…110001111110101111
310122010201210221121221
4203122031301332233
51110331310042142
625244433204211
72514122221621
oct433215617657
9118121727557
1038020784047
1115140817884
127451100667
13377c00446c
141ba97a2c11
15ec7d7c767
hex8da371faf

38020784047 has 2 divisors, whose sum is σ = 38020784048. Its totient is φ = 38020784046.

The previous prime is 38020783973. The next prime is 38020784057. The reversal of 38020784047 is 74048702083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38020784047 - 223 = 38012395439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38020783994 and 38020784012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38020784057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19010392023 + 19010392024.

It is an arithmetic number, because the mean of its divisors is an integer number (19010392024).

Almost surely, 238020784047 is an apocalyptic number.

38020784047 is a deficient number, since it is larger than the sum of its proper divisors (1).

38020784047 is an equidigital number, since it uses as much as digits as its factorization.

38020784047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 301056, while the sum is 43.

The spelling of 38020784047 in words is "thirty-eight billion, twenty million, seven hundred eighty-four thousand, forty-seven".