Search a number
-
+
68701141718 = 21137153155127
BaseRepresentation
bin111111111110111010…
…000011101011010110
320120022220022121021022
4333332322003223112
52111144443013333
651321051521142
74651323032546
oct777672035326
9216286277238
1068701141718
1127155004680
1211393a591b2
13662b31c261
14347a311326
151bc1598c98
hexffee83ad6

68701141718 has 32 divisors (see below), whose sum is σ = 115535939328. Its totient is φ = 30363400800.

The previous prime is 68701141699. The next prime is 68701141757. The reversal of 68701141718 is 81714110786.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1218671 + ... + 1273797.

It is an arithmetic number, because the mean of its divisors is an integer number (3610498104).

Almost surely, 268701141718 is an apocalyptic number.

68701141718 is a deficient number, since it is larger than the sum of its proper divisors (46834797610).

68701141718 is a wasteful number, since it uses less digits than its factorization.

68701141718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56708.

The product of its (nonzero) digits is 75264, while the sum is 44.

The spelling of 68701141718 in words is "sixty-eight billion, seven hundred one million, one hundred forty-one thousand, seven hundred eighteen".

Divisors: 1 2 11 22 37 74 407 814 1531 3062 16841 33682 55127 56647 110254 113294 606397 623117 1212794 1246234 2039699 4079398 22436689 44873378 84399437 168798874 928393807 1856787614 3122779169 6245558338 34350570859 68701141718