Base | Representation |
---|---|
bin | 11100111100101000… |
… | …11010101100010110 |
3 | 1111010002020100120010 |
4 | 32132110122230112 |
5 | 223312002213410 |
6 | 11050042421050 |
7 | 1060056532002 |
oct | 163624325426 |
9 | 44102210503 |
10 | 15541054230 |
11 | 665557a079 |
12 | 3018801786 |
13 | 16089767a0 |
14 | a76025702 |
15 | 60e58bc20 |
hex | 39e51ab16 |
15541054230 has 128 divisors (see below), whose sum is σ = 43266908160. Its totient is φ = 3541063680.
The previous prime is 15541054187. The next prime is 15541054247. The reversal of 15541054230 is 3245014551.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 250126 + ... + 306014.
It is an arithmetic number, because the mean of its divisors is an integer number (338022720).
Almost surely, 215541054230 is an apocalyptic number.
15541054230 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 15541054230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21633454080).
15541054230 is an abundant number, since it is smaller than the sum of its proper divisors (27725853930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15541054230 is a wasteful number, since it uses less digits than its factorization.
15541054230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55966.
The product of its (nonzero) digits is 12000, while the sum is 30.
Adding to 15541054230 its reverse (3245014551), we get a palindrome (18786068781).
The spelling of 15541054230 in words is "fifteen billion, five hundred forty-one million, fifty-four thousand, two hundred thirty".
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