Search a number
-
+
68173048817967 = 3187112145563659
BaseRepresentation
bin11111000000000110001100…
…10110111010100100101111
322221101021112222122200221210
433200003012112322210233
532413421400444133332
6400554133303125503
720234224462561152
oct1740030626724457
9287337488580853
1068173048817967
111a7a4033876585
127790488143893
132c068c9c44312
1412b9843921c99
157d350dd4becc
hex3e00c65ba92f

68173048817967 has 8 divisors (see below), whose sum is σ = 90945980686080. Its totient is φ = 45424408080920.

The previous prime is 68173048817947. The next prime is 68173048817977. The reversal of 68173048817967 is 76971884037186.

68173048817967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 68173048817967 - 220 = 68173047769391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68173048817947) by changing a digit.

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, 6072776217 + ... + 6072787442.

It is an arithmetic number, because the mean of its divisors is an integer number (11368247585760).

Almost surely, 268173048817967 is an apocalyptic number.

68173048817967 is a deficient number, since it is larger than the sum of its proper divisors (22772931868113).

68173048817967 is a wasteful number, since it uses less digits than its factorization.

68173048817967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12145565533.

The product of its (nonzero) digits is 682795008, while the sum is 75.

The spelling of 68173048817967 in words is "sixty-eight trillion, one hundred seventy-three billion, forty-eight million, eight hundred seventeen thousand, nine hundred sixty-seven".

Divisors: 1 3 1871 5613 12145563659 36436690977 22724349605989 68173048817967