Search a number
-
+
49288478805 = 335794621517
BaseRepresentation
bin101101111001110100…
…101000000001010101
311201012222222011001000
4231321310220001111
51301420322310210
634350503053513
73363262104636
oct557164500125
9151188864030
1049288478805
11199a3074705
129676741299
134856528577
14255803788d
151437198ac0
hexb79d28055

49288478805 has 32 divisors (see below), whose sum is σ = 88733145600. Its totient is φ = 25954433856.

The previous prime is 49288478801. The next prime is 49288478807. The reversal of 49288478805 is 50887488294.

49288478805 is a `hidden beast` number, since 4 + 9 + 2 + 88 + 478 + 80 + 5 = 666.

It is not a de Polignac number, because 49288478805 - 22 = 49288478801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49288478801) 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 31 ways as a sum of consecutive naturals, for example, 2300094 + ... + 2321423.

It is an arithmetic number, because the mean of its divisors is an integer number (2772910800).

Almost surely, 249288478805 is an apocalyptic number.

49288478805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49288478805 is a deficient number, since it is larger than the sum of its proper divisors (39444666795).

49288478805 is a wasteful number, since it uses less digits than its factorization.

49288478805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621610 (or 4621604 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 63.

The spelling of 49288478805 in words is "forty-nine billion, two hundred eighty-eight million, four hundred seventy-eight thousand, eight hundred five".

Divisors: 1 3 5 9 15 27 45 79 135 237 395 711 1185 2133 3555 10665 4621517 13864551 23107585 41593653 69322755 124780959 207968265 365099843 623904795 1095299529 1825499215 3285898587 5476497645 9857695761 16429492935 49288478805