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10805748078 = 231800958013
BaseRepresentation
bin10100001000001001…
…01010000101101110
31000220001220212200210
422010010222011232
5134112232414303
64544124403250
7531530225466
oct120404520556
930801825623
1010805748078
114645621514
1221169a6526
131032903798
14747186ba6
154339bd203
hex28412a16e

10805748078 has 8 divisors (see below), whose sum is σ = 21611496168. Its totient is φ = 3601916024.

The previous prime is 10805748049. The next prime is 10805748157. The reversal of 10805748078 is 87084750801.

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

10805748078 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900479001 + ... + 900479012.

It is an arithmetic number, because the mean of its divisors is an integer number (2701437021).

Almost surely, 210805748078 is an apocalyptic number.

10805748078 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.

10805748078 is a wasteful number, since it uses less digits than its factorization.

10805748078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800958018.

The product of its (nonzero) digits is 501760, while the sum is 48.

The spelling of 10805748078 in words is "ten billion, eight hundred five million, seven hundred forty-eight thousand, seventy-eight".

Divisors: 1 2 3 6 1800958013 3601916026 5402874039 10805748078