Base | Representation |
---|---|
bin | 101001000111010000… |
… | …101111000000010010 |
3 | 11012221120001122200210 |
4 | 221013100233000102 |
5 | 1210402140222010 |
6 | 32140253424550 |
7 | 3121650236553 |
oct | 510720570022 |
9 | 135846048623 |
10 | 44145242130 |
11 | 177a3924890 |
12 | 868019b156 |
13 | 4216ac8362 |
14 | 21cad2c32a |
15 | 123589bb20 |
hex | a4742f012 |
44145242130 has 128 divisors (see below), whose sum is σ = 117105730560. Its totient is φ = 10561570560.
The previous prime is 44145242129. The next prime is 44145242131. The reversal of 44145242130 is 3124254144.
It is an interprime number because it is at equal distance from previous prime (44145242129) and next prime (44145242131).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (44145242131) 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, 7932729 + ... + 7938291.
It is an arithmetic number, because the mean of its divisors is an integer number (914888520).
Almost surely, 244145242130 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 44145242130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58552865280).
44145242130 is an abundant number, since it is smaller than the sum of its proper divisors (72960488430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
44145242130 is a wasteful number, since it uses less digits than its factorization.
44145242130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5896.
The product of its (nonzero) digits is 15360, while the sum is 30.
Adding to 44145242130 its reverse (3124254144), we get a palindrome (47269496274).
The spelling of 44145242130 in words is "forty-four billion, one hundred forty-five million, two hundred forty-two thousand, one hundred thirty".
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