Base | Representation |
---|---|
bin | 11100000001010010… |
… | …11101101101010000 |
3 | 1102211101112112120001 |
4 | 32000221131231100 |
5 | 221302033130440 |
6 | 10524421055344 |
7 | 1041533362435 |
oct | 160051355520 |
9 | 42741475501 |
10 | 15043255120 |
11 | 641a586253 |
12 | 2ab9b57554 |
13 | 15597b23ba |
14 | a29c83b8c |
15 | 5d0a0ab9a |
hex | 380a5db50 |
15043255120 has 80 divisors (see below), whose sum is σ = 37399958928. Its totient is φ = 5607219200.
The previous prime is 15043255109. The next prime is 15043255121. The reversal of 15043255120 is 2155234051.
It can be written as a sum of positive squares in 8 ways, for example, as 123121216 + 14920133904 = 11096^2 + 122148^2 .
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15043255121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82602 + ... + 192118.
Almost surely, 215043255120 is an apocalyptic number.
15043255120 is a gapful number since it is divisible by the number (10) 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 15043255120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18699979464).
15043255120 is an abundant number, since it is smaller than the sum of its proper divisors (22356703808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15043255120 is a wasteful number, since it uses less digits than its factorization.
15043255120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109648 (or 109642 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 28.
Adding to 15043255120 its reverse (2155234051), we get a palindrome (17198489171).
The spelling of 15043255120 in words is "fifteen billion, forty-three million, two hundred fifty-five thousand, one hundred twenty".
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