Base | Representation |
---|---|
bin | 111100100110100110… |
… | …1100100010101111010 |
3 | 110102220222200121022201 |
4 | 1321031031210111322 |
5 | 4113013432434432 |
6 | 135442034340414 |
7 | 12255046220353 |
oct | 1711515442572 |
9 | 412828617281 |
10 | 130144421242 |
11 | 50215150a30 |
12 | 2128112a70a |
13 | c370a9c3a4 |
14 | 6428740d2a |
15 | 35ba88eee7 |
hex | 1e4d36457a |
130144421242 has 16 divisors (see below), whose sum is σ = 212987551392. Its totient is φ = 59149901520.
The previous prime is 130144421219. The next prime is 130144421263. The reversal of 130144421242 is 242124441031.
It is a self number, because there is not a number n which added to its sum of digits gives 130144421242.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129888 + ... + 526459.
It is an arithmetic number, because the mean of its divisors is an integer number (13311721962).
Almost surely, 2130144421242 is an apocalyptic number.
130144421242 is a deficient number, since it is larger than the sum of its proper divisors (82843130150).
130144421242 is a wasteful number, since it uses less digits than its factorization.
130144421242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 665373.
The product of its (nonzero) digits is 6144, while the sum is 28.
Adding to 130144421242 its reverse (242124441031), we get a palindrome (372268862273).
The spelling of 130144421242 in words is "one hundred thirty billion, one hundred forty-four million, four hundred twenty-one thousand, two hundred forty-two".
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