Search a number
-
+
68123988330571 = 1032292888200633
BaseRepresentation
bin11110111110101010110100…
…01000000000100001001011
322221012120220212200201100001
433133111122020000201023
532412120412003034241
6400515421142423431
720230536636402205
oct1737253210004113
9287176825621301
1068123988330571
111a785248473228
127782a75a31b77
132c020aba23a14
1412b730bcb5775
157d20dbbdb431
hex3df55a20084b

68123988330571 has 8 divisors (see below), whose sum is σ = 69085759165280. Its totient is φ = 67167993897792.

The previous prime is 68123988330557. The next prime is 68123988330623. The reversal of 68123988330571 is 17503388932186.

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 68123988330571 - 219 = 68123987806283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68123988330371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444076730 + ... + 1444123903.

It is an arithmetic number, because the mean of its divisors is an integer number (8635719895660).

Almost surely, 268123988330571 is an apocalyptic number.

68123988330571 is a deficient number, since it is larger than the sum of its proper divisors (961770834709).

68123988330571 is a wasteful number, since it uses less digits than its factorization.

68123988330571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888200965.

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 68123988330571 in words is "sixty-eight trillion, one hundred twenty-three billion, nine hundred eighty-eight million, three hundred thirty thousand, five hundred seventy-one".

Divisors: 1 103 229 23587 2888200633 297484665199 661397944957 68123988330571