Base | Representation |
---|---|
bin | 111101001101010100… |
… | …0100100001100000010 |
3 | 110120021111211201112211 |
4 | 1322122220210030002 |
5 | 4123143444003010 |
6 | 140214555012334 |
7 | 12332200663510 |
oct | 1723250441402 |
9 | 416244751484 |
10 | 131443344130 |
11 | 50821382a1a |
12 | 2158413a0aa |
13 | c519c1b007 |
14 | 650d0614b0 |
15 | 364491b08a |
hex | 1e9aa24302 |
131443344130 has 32 divisors (see below), whose sum is σ = 271103791104. Its totient is φ = 44948613696.
The previous prime is 131443344113. The next prime is 131443344209. The reversal of 131443344130 is 31443344131.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 131443344092 and 131443344101.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2424577 + ... + 2478196.
It is an arithmetic number, because the mean of its divisors is an integer number (8471993472).
Almost surely, 2131443344130 is an apocalyptic number.
131443344130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131443344130 is an abundant number, since it is smaller than the sum of its proper divisors (139660446974).
131443344130 is a wasteful number, since it uses less digits than its factorization.
131443344130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4903170.
The product of its (nonzero) digits is 20736, while the sum is 31.
Adding to 131443344130 its reverse (31443344131), we get a palindrome (162886688261).
Subtracting from 131443344130 its reverse (31443344131), we obtain a palindrome (99999999999).
The spelling of 131443344130 in words is "one hundred thirty-one billion, four hundred forty-three million, three hundred forty-four thousand, one hundred thirty".
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