Search a number
-
+
257515336112030 = 2525751533611203
BaseRepresentation
bin111010100011010101110110…
…001000100001011110011110
31020202210020002112120020001022
4322203111312020201132132
5232223112402021041110
62311404525013444142
7105145604043010433
oct7243256610413636
91222706075506038
10257515336112030
1175063705908127
1224a70245040652
13b08c790807039
144783b473a1b8a
151eb88715d9755
hexea357622179e

257515336112030 has 8 divisors (see below), whose sum is σ = 463527605001672. Its totient is φ = 103006134444808.

The previous prime is 257515336112029. The next prime is 257515336112071. The reversal of 257515336112030 is 30211633515752.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12875766805592 + ... + 12875766805611.

It is an arithmetic number, because the mean of its divisors is an integer number (57940950625209).

Almost surely, 2257515336112030 is an apocalyptic number.

257515336112030 is a deficient number, since it is larger than the sum of its proper divisors (206012268889642).

257515336112030 is a wasteful number, since it uses less digits than its factorization.

257515336112030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25751533611210.

The product of its (nonzero) digits is 567000, while the sum is 44.

Adding to 257515336112030 its reverse (30211633515752), we get a palindrome (287726969627782).

The spelling of 257515336112030 in words is "two hundred fifty-seven trillion, five hundred fifteen billion, three hundred thirty-six million, one hundred twelve thousand, thirty".

Divisors: 1 2 5 10 25751533611203 51503067222406 128757668056015 257515336112030