Base | Representation |
---|---|
bin | 1011001101111110000… |
… | …0001001100110011101 |
3 | 200102110120022110112010 |
4 | 2303133200021212131 |
5 | 11124201421330000 |
6 | 224312124301433 |
7 | 16631662406103 |
oct | 2633740114635 |
9 | 612416273463 |
10 | 192728308125 |
11 | 748101184a1 |
12 | 314283a1879 |
13 | 1523594a312 |
14 | 948443dc73 |
15 | 502ed8dd50 |
hex | 2cdf80999d |
192728308125 has 20 divisors (see below), whose sum is σ = 321111061568. Its totient is φ = 102788430000.
The previous prime is 192728308093. The next prime is 192728308127. The reversal of 192728308125 is 521803827291.
It is not a de Polignac number, because 192728308125 - 25 = 192728308093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (192728308127) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51392341 + ... + 51396090.
Almost surely, 2192728308125 is an apocalyptic number.
192728308125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
192728308125 is a deficient number, since it is larger than the sum of its proper divisors (128382753443).
192728308125 is an equidigital number, since it uses as much as digits as its factorization.
192728308125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102788454 (or 102788439 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 48.
The spelling of 192728308125 in words is "one hundred ninety-two billion, seven hundred twenty-eight million, three hundred eight thousand, one hundred twenty-five".
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