Search a number
-
+
68768433846 = 2327545781221
BaseRepresentation
bin100000000001011101…
…0110000011010110110
320120111120221101201100
41000002322300122312
52111314204340341
651331454110530
74653101020530
oct1000272603266
9216446841640
1068768433846
1127189a96202
12113b24ab446
13663c250398
14348522a850
151bc743c3b6
hex1002eb06b6

68768433846 has 24 divisors (see below), whose sum is σ = 170283741264. Its totient is φ = 19648123920.

The previous prime is 68768433841. The next prime is 68768433857. The reversal of 68768433846 is 64833486786.

68768433846 is a `hidden beast` number, since 68 + 7 + 68 + 433 + 84 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68768433841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272890485 + ... + 272890736.

It is an arithmetic number, because the mean of its divisors is an integer number (7095155886).

Almost surely, 268768433846 is an apocalyptic number.

68768433846 is an abundant number, since it is smaller than the sum of its proper divisors (101515307418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68768433846 is a wasteful number, since it uses less digits than its factorization.

68768433846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545781236 (or 545781233 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 63.

The spelling of 68768433846 in words is "sixty-eight billion, seven hundred sixty-eight million, four hundred thirty-three thousand, eight hundred forty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 545781221 1091562442 1637343663 3274687326 3820468547 4912030989 7640937094 9824061978 11461405641 22922811282 34384216923 68768433846