Search a number
-
+
505250443402445 = 51323666150737151
BaseRepresentation
bin111001011100001011100100…
…1001100111001110011001101
32110020221110201010010210202202
41302320113021030321303031
51012211010402002334240
64550324503245331245
7211265065664500226
oct16270271114716315
92406843633123682
10505250443402445
11136a965674a3384
1248800b07266b25
13188bcbb2643840
148caa37547624d
153d62acbd22315
hex1cb85c9339ccd

505250443402445 has 32 divisors (see below), whose sum is σ = 681429987753984. Its totient is φ = 356832346464000.

The previous prime is 505250443402427. The next prime is 505250443402457. The reversal of 505250443402445 is 544204344052505.

It is not a de Polignac number, because 505250443402445 - 210 = 505250443401421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505250443402445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15410381 + ... + 35326770.

It is an arithmetic number, because the mean of its divisors is an integer number (21294687117312).

Almost surely, 2505250443402445 is an apocalyptic number.

It is an amenable number.

505250443402445 is a deficient number, since it is larger than the sum of its proper divisors (176179544351539).

505250443402445 is a wasteful number, since it uses less digits than its factorization.

505250443402445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50743853.

The product of its (nonzero) digits is 7680000, while the sum is 47.

The spelling of 505250443402445 in words is "five hundred five trillion, two hundred fifty billion, four hundred forty-three million, four hundred two thousand, four hundred forty-five".

Divisors: 1 5 13 23 65 115 299 1495 6661 33305 86593 153203 432965 766015 1991639 9958195 50737151 253685755 659582963 1166954473 3297914815 5834772365 15170408149 75852040745 337960162811 1689800814055 4393482116543 7773083744653 21967410582715 38865418723265 101050088680489 505250443402445