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93728046722 = 22164812
BaseRepresentation
bin101011101001010100…
…0000111111010000010
322221221001212002210212
41113102220013322002
53013423334443342
6111020313154122
76525445152302
oct1272250077202
9287831762725
1093728046722
1136828047842
12161b93bb942
138ab92b5a9b
14477209d602
1526887d3182
hex15d2a07e82

93728046722 has 6 divisors (see below), whose sum is σ = 140592719529. Its totient is φ = 46863806880.

The previous prime is 93728046677. The next prime is 93728046751. The reversal of 93728046722 is 22764082739.

It can be written as a sum of positive squares in 2 ways, for example, as 53291260801 + 40436785921 = 230849^2 + 201089^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=216481.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 324722 + ... + 541202.

Almost surely, 293728046722 is an apocalyptic number.

93728046722 is a deficient number, since it is larger than the sum of its proper divisors (46864672807).

93728046722 is an frugal number, since it uses more digits than its factorization.

93728046722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432964 (or 216483 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

Multiplying 93728046722 by its sum of digits (50), we get a square (4686402336100 = 21648102).

The spelling of 93728046722 in words is "ninety-three billion, seven hundred twenty-eight million, forty-six thousand, seven hundred twenty-two".

Divisors: 1 2 216481 432962 46864023361 93728046722