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68727872786 = 2231494084191
BaseRepresentation
bin100000000000010000…
…0000001110100010010
320120101202121200101212
41000000200001310102
52111223313412121
651323444500122
74652066164646
oct1000040016422
9216352550355
1068727872786
1127169102071
12113a09aa642
136633a1b361
14347daacc26
151bc3ac925b
hex1000801d12

68727872786 has 8 divisors (see below), whose sum is σ = 107574061824. Its totient is φ = 32869852180.

The previous prime is 68727872771. The next prime is 68727872827.

68727872786 is nontrivially palindromic in base 10.

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

It is a Curzon 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, 747042050 + ... + 747042141.

It is an arithmetic number, because the mean of its divisors is an integer number (13446757728).

Almost surely, 268727872786 is an apocalyptic number.

68727872786 is a deficient number, since it is larger than the sum of its proper divisors (38846189038).

68727872786 is a wasteful number, since it uses less digits than its factorization.

68727872786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494084216.

The product of its digits is 177020928, while the sum is 68.

The spelling of 68727872786 in words is "sixty-eight billion, seven hundred twenty-seven million, eight hundred seventy-two thousand, seven hundred eighty-six".

Divisors: 1 2 23 46 1494084191 2988168382 34363936393 68727872786