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68813166 = 2311468861
BaseRepresentation
bin1000001101000…
…00000101101110
311210111001220210
410012200011232
5120104010131
610454523250
71463621322
oct406400556
9153431823
1068813166
1135930394
121b066526
1311344566
1491d3982
156094146
hex41a016e

68813166 has 8 divisors (see below), whose sum is σ = 137626344. Its totient is φ = 22937720.

The previous prime is 68813137. The next prime is 68813177. The reversal of 68813166 is 66131886.

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

68813166 is an admirable number.

It is a plaindrome in base 13.

It is a congruent 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, 5734425 + ... + 5734436.

It is an arithmetic number, because the mean of its divisors is an integer number (17203293).

Almost surely, 268813166 is an apocalyptic number.

68813166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68813166 is a wasteful number, since it uses less digits than its factorization.

68813166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11468866.

The product of its digits is 41472, while the sum is 39.

The square root of 68813166 is about 8295.3701544898. The cubic root of 68813166 is about 409.7860593138.

The spelling of 68813166 in words is "sixty-eight million, eight hundred thirteen thousand, one hundred sixty-six".

Divisors: 1 2 3 6 11468861 22937722 34406583 68813166