Base | Representation |
---|---|
bin | 101011010111011011010011… |
… | …011111111111001010000110 |
3 | 221000022012210112120102221020 |
4 | 223113123103133333022012 |
5 | 144444323033211431120 |
6 | 1513350130414332010 |
7 | 55113326522122545 |
oct | 5327332337771206 |
9 | 830265715512836 |
10 | 190725866123910 |
11 | 55853427239737 |
12 | 19483b4a7ba006 |
13 | 82564ab39c170 |
14 | 351527720215c |
15 | 170b33de60640 |
hex | ad76d37ff286 |
190725866123910 has 128 divisors (see below), whose sum is σ = 497949816397824. Its totient is φ = 46472706424320.
The previous prime is 190725866123867. The next prime is 190725866123921. The reversal of 190725866123910 is 19321668527091.
It is a happy number.
190725866123910 is digitally balanced in base 13, because in such base it contains all the possibile digits an equal number of times.
190725866123910 is strictly pandigital in base 13.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51499675 + ... + 55078745.
It is an arithmetic number, because the mean of its divisors is an integer number (3890232940608).
Almost surely, 2190725866123910 is an apocalyptic number.
190725866123910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 190725866123910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248974908198912).
190725866123910 is an abundant number, since it is smaller than the sum of its proper divisors (307223950273914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190725866123910 is a wasteful number, since it uses less digits than its factorization.
190725866123910 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3580478.
The product of its (nonzero) digits is 9797760, while the sum is 60.
The spelling of 190725866123910 in words is "one hundred ninety trillion, seven hundred twenty-five billion, eight hundred sixty-six million, one hundred twenty-three thousand, nine hundred ten".
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