| Base | Representation |
|---|---|
| bin | 10110110010101… |
| … | …10100000000000 |
| 3 | 111022202201102100 |
| 4 | 23121112200000 |
| 5 | 342421221021 |
| 6 | 30545550400 |
| 7 | 4511063136 |
| oct | 1331264000 |
| 9 | 438681370 |
| 10 | 191195136 |
| 11 | 98a19810 |
| 12 | 54045400 |
| 13 | 307c3722 |
| 14 | 1b56d756 |
| 15 | 11bba626 |
| hex | b656800 |
191195136 has 288 divisors, whose sum is σ = 643930560. Its totient is φ = 54067200.
The previous prime is 191195131. The next prime is 191195171. The reversal of 191195136 is 631591191.
It is a happy number.
191195136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (288).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 191195136.
It is not an unprimeable number, because it can be changed into a prime (191195131) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4663276 + ... + 4663316.
It is an arithmetic number, because the mean of its divisors is an integer number (2235870).
Almost surely, 2191195136 is an apocalyptic number.
191195136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 191195136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321965280).
191195136 is an abundant number, since it is smaller than the sum of its proper divisors (452735424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
191195136 is a wasteful number, since it uses less digits than its factorization.
191195136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103 (or 80 counting only the distinct ones).
The product of its digits is 7290, while the sum is 36.
The square root of 191195136 is about 13827.3329315526. The cubic root of 191195136 is about 576.0925777122.
The spelling of 191195136 in words is "one hundred ninety-one million, one hundred ninety-five thousand, one hundred thirty-six".
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