Search a number
-
+
47878284499 is a prime number
BaseRepresentation
bin101100100101110001…
…001010010011010011
311120120201102212010021
4230211301022103103
51241023320100444
633554525444311
73313316463163
oct544561122323
9146521385107
1047878284499
111933a052871
129342410697
13469031a976
142462a305a3
1513a348d584
hexb25c4a4d3

47878284499 has 2 divisors, whose sum is σ = 47878284500. Its totient is φ = 47878284498.

The previous prime is 47878284463. The next prime is 47878284563. The reversal of 47878284499 is 99448287874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47878284499 - 29 = 47878283987 is a prime.

It is not a weakly prime, because it can be changed into another prime (47878284409) 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 as a sum of consecutive naturals, namely, 23939142249 + 23939142250.

It is an arithmetic number, because the mean of its divisors is an integer number (23939142250).

Almost surely, 247878284499 is an apocalyptic number.

47878284499 is a deficient number, since it is larger than the sum of its proper divisors (1).

47878284499 is an equidigital number, since it uses as much as digits as its factorization.

47878284499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 260112384, while the sum is 70.

The spelling of 47878284499 in words is "forty-seven billion, eight hundred seventy-eight million, two hundred eighty-four thousand, four hundred ninety-nine".