Base | Representation |
---|---|
bin | 101010101110101001011001… |
… | …001111000100010001100000 |
3 | 220122101022101120010210022020 |
4 | 222232221121033010101200 |
5 | 144112414310011103242 |
6 | 1503402510133141440 |
7 | 54404011264534335 |
oct | 5256513117042140 |
9 | 818338346123266 |
10 | 187923496191072 |
11 | 549729a8498584 |
12 | 190b09ba78a880 |
13 | 80b2156b9c205 |
14 | 345978d75698c |
15 | 16ad4c4aa86ec |
hex | aaea593c4460 |
187923496191072 has 48 divisors (see below), whose sum is σ = 493558672550832. Its totient is φ = 62608213644800.
The previous prime is 187923496191071. The next prime is 187923496191107. The reversal of 187923496191072 is 270191694329781.
It is a tau number, because it is divible by the number of its divisors (48).
It is a junction number, because it is equal to n+sod(n) for n = 187923496190988 and 187923496191006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (187923496191071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514687683 + ... + 515052674.
It is an arithmetic number, because the mean of its divisors is an integer number (10282472344809).
Almost surely, 2187923496191072 is an apocalyptic number.
187923496191072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
187923496191072 is an abundant number, since it is smaller than the sum of its proper divisors (305635176359760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
187923496191072 is a wasteful number, since it uses less digits than its factorization.
187923496191072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1029742271 (or 1029742263 counting only the distinct ones).
The product of its (nonzero) digits is 82301184, while the sum is 69.
The spelling of 187923496191072 in words is "one hundred eighty-seven trillion, nine hundred twenty-three billion, four hundred ninety-six million, one hundred ninety-one thousand, seventy-two".
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