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13130210043242 = 26565105021621
BaseRepresentation
bin1011111100010001110110…
…0000010110010101101010
31201111020100220200002001122
42333010131200112111222
53210111132232340432
643531534001415242
72523424562612615
oct277043540262552
951436326602048
1013130210043242
1142025442a1486
12158088093a522
13743234222696
1433571136917c
1517b830b8a612
hexbf11d81656a

13130210043242 has 4 divisors (see below), whose sum is σ = 19695315064866. Its totient is φ = 6565105021620.

The previous prime is 13130210043239. The next prime is 13130210043257. The reversal of 13130210043242 is 24234001203131.

13130210043242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9912416263201 + 3217793780041 = 3148399^2 + 1793821^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282552510809 + ... + 3282552510812.

Almost surely, 213130210043242 is an apocalyptic number.

13130210043242 is a deficient number, since it is larger than the sum of its proper divisors (6565105021624).

13130210043242 is an equidigital number, since it uses as much as digits as its factorization.

13130210043242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565105021623.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13130210043242 its reverse (24234001203131), we get a palindrome (37364211246373).

The spelling of 13130210043242 in words is "thirteen trillion, one hundred thirty billion, two hundred ten million, forty-three thousand, two hundred forty-two".

Divisors: 1 2 6565105021621 13130210043242