Base | Representation |
---|---|
bin | 1101000110000010111011… |
… | …00010101110101100010011 |
3 | 10202221210000011022110222121 |
4 | 12203001131202232230103 |
5 | 12233234210203400434 |
6 | 141124130525115111 |
7 | 6031241455506364 |
oct | 643013542565423 |
9 | 122853004273877 |
10 | 28795030137619 |
11 | 91a19a3911889 |
12 | 32908053b8a97 |
13 | 130b48a318495 |
14 | 717988ba7b6b |
15 | 34e058b3b7b4 |
hex | 1a305d8aeb13 |
28795030137619 has 4 divisors (see below), whose sum is σ = 29787962211360. Its totient is φ = 27802098063880.
The previous prime is 28795030137557. The next prime is 28795030137623. The reversal of 28795030137619 is 91673103059782.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 28795030137619 - 27 = 28795030137491 is a prime.
It is a super-2 number, since 2×287950301376192 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28795030117619) 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, 496466036827 + ... + 496466036884.
It is an arithmetic number, because the mean of its divisors is an integer number (7446990552840).
Almost surely, 228795030137619 is an apocalyptic number.
28795030137619 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
28795030137619 is a deficient number, since it is larger than the sum of its proper divisors (992932073741).
28795030137619 is an equidigital number, since it uses as much as digits as its factorization.
28795030137619 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 992932073740.
The product of its (nonzero) digits is 17146080, while the sum is 61.
The spelling of 28795030137619 in words is "twenty-eight trillion, seven hundred ninety-five billion, thirty million, one hundred thirty-seven thousand, six hundred nineteen".
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