Search a number
-
+
49287583169 = 114480689379
BaseRepresentation
bin101101111001110001…
…001101010111000001
311201012221021122110022
4231321301031113001
51301420110130134
634350431543225
73363251354516
oct557161152701
9151187248408
1049287583169
11199a2612810
12967638ab15
1348562a39c6
142557c8330d
15143706d52e
hexb79c4d5c1

49287583169 has 4 divisors (see below), whose sum is σ = 53768272560. Its totient is φ = 44806893780.

The previous prime is 49287583153. The next prime is 49287583171. The reversal of 49287583169 is 96138578294.

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 not a de Polignac number, because 49287583169 - 24 = 49287583153 is a prime.

It is a super-2 number, since 2×492875831692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49287583129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2240344679 + ... + 2240344700.

It is an arithmetic number, because the mean of its divisors is an integer number (13442068140).

Almost surely, 249287583169 is an apocalyptic number.

It is an amenable number.

49287583169 is a deficient number, since it is larger than the sum of its proper divisors (4480689391).

49287583169 is a wasteful number, since it uses less digits than its factorization.

49287583169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480689390.

The product of its digits is 26127360, while the sum is 62.

The spelling of 49287583169 in words is "forty-nine billion, two hundred eighty-seven million, five hundred eighty-three thousand, one hundred sixty-nine".

Divisors: 1 11 4480689379 49287583169