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93144328097 = 282241330017
BaseRepresentation
bin101011010111111010…
…1011010011110100001
322220102101111010101112
41112233311122132201
53011224421444342
6110442342113105
76505126503602
oct1265765323641
9286371433345
1093144328097
11365585aa357
1216075a1b795
138a2539ab52
144718753da9
15265242e682
hex15afd5a7a1

93144328097 has 4 divisors (see below), whose sum is σ = 93144940356. Its totient is φ = 93143715840.

The previous prime is 93144328063. The next prime is 93144328099. The reversal of 93144328097 is 79082344139.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 79082344139 = 116176807467.

It can be written as a sum of positive squares in 2 ways, for example, as 18614782096 + 74529546001 = 136436^2 + 273001^2 .

It is a cyclic number.

It is not a de Polignac number, because 93144328097 - 214 = 93144311713 is a prime.

It is a super-4 number, since 4×931443280974 (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93144328099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117233 + ... + 447249.

It is an arithmetic number, because the mean of its divisors is an integer number (23286235089).

Almost surely, 293144328097 is an apocalyptic number.

It is an amenable number.

93144328097 is a deficient number, since it is larger than the sum of its proper divisors (612259).

93144328097 is a wasteful number, since it uses less digits than its factorization.

93144328097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612258.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 93144328097 in words is "ninety-three billion, one hundred forty-four million, three hundred twenty-eight thousand, ninety-seven".

Divisors: 1 282241 330017 93144328097