Base | Representation |
---|---|
bin | 1011000010111001010… |
… | …0011000001000111000 |
3 | 200010210101202000122120 |
4 | 2300232110120020320 |
5 | 11102104421422322 |
6 | 223101134121240 |
7 | 16465215311061 |
oct | 2605624301070 |
9 | 603711660576 |
10 | 189755654712 |
11 | 73525135a38 |
12 | 30938950220 |
13 | 14b80b1c0c0 |
14 | 9281715568 |
15 | 4e08deca5c |
hex | 2c2e518238 |
189755654712 has 256 divisors, whose sum is σ = 564699340800. Its totient is φ = 52577648640.
The previous prime is 189755654633. The next prime is 189755654719. The reversal of 189755654712 is 217456557981.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (189755654719) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14627253 + ... + 14640219.
It is an arithmetic number, because the mean of its divisors is an integer number (2205856800).
Almost surely, 2189755654712 is an apocalyptic number.
189755654712 is a gapful number since it is divisible by the number (12) 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 189755654712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282349670400).
189755654712 is an abundant number, since it is smaller than the sum of its proper divisors (374943686088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189755654712 is a wasteful number, since it uses less digits than its factorization.
189755654712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13126 (or 13122 counting only the distinct ones).
The product of its digits is 21168000, while the sum is 60.
The spelling of 189755654712 in words is "one hundred eighty-nine billion, seven hundred fifty-five million, six hundred fifty-four thousand, seven hundred twelve".
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