Search a number
-
+
242455403052505 = 5257539188286359
BaseRepresentation
bin110111001000001100001100…
…001011000011110111011001
31011210110111202220120222010101
4313020030030023003313121
5223234342131140140010
62215354250254415401
7102032552624065006
oct6710141413036731
91153414686528111
10242455403052505
11702878392509a5
1223239593b01561
13a5395a5997436
1443c2c92ca08ad
151d06c4c54673a
hexdc830c2c3dd9

242455403052505 has 8 divisors (see below), whose sum is σ = 290947614926400. Its totient is φ = 193963568266416.

The previous prime is 242455403052497. The next prime is 242455403052529. The reversal of 242455403052505 is 505250304554242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242455403052505 - 23 = 242455403052497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92855485 + ... + 95430874.

It is an arithmetic number, because the mean of its divisors is an integer number (36368451865800).

Almost surely, 2242455403052505 is an apocalyptic number.

It is an amenable number.

242455403052505 is a deficient number, since it is larger than the sum of its proper divisors (48492211873895).

242455403052505 is a wasteful number, since it uses less digits than its factorization.

242455403052505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188543903.

The product of its (nonzero) digits is 4800000, while the sum is 46.

The spelling of 242455403052505 in words is "two hundred forty-two trillion, four hundred fifty-five billion, four hundred three million, fifty-two thousand, five hundred five".

Divisors: 1 5 257539 1287695 188286359 941431795 48491080610501 242455403052505