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103421634143 = 137754902439
BaseRepresentation
bin110000001010001101…
…0001110011001011111
3100212221122001100220012
41200110122032121133
53143301414243033
6115302232313435
710320612246152
oct1402432163137
9325848040805
10103421634143
113a9518a8513
121806384287b
1399a266b729
14501165dc99
152a54817248
hex181468e65f

103421634143 has 4 divisors (see below), whose sum is σ = 104176536720. Its totient is φ = 102666731568.

The previous prime is 103421634089. The next prime is 103421634149. The reversal of 103421634143 is 341436124301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341436124301 = 1348512531951.

It is a cyclic number.

It is not a de Polignac number, because 103421634143 - 212 = 103421630047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103421634149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377451083 + ... + 377451356.

It is an arithmetic number, because the mean of its divisors is an integer number (26044134180).

Almost surely, 2103421634143 is an apocalyptic number.

103421634143 is a deficient number, since it is larger than the sum of its proper divisors (754902577).

103421634143 is an equidigital number, since it uses as much as digits as its factorization.

103421634143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754902576.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 103421634143 its reverse (341436124301), we get a palindrome (444857758444).

The spelling of 103421634143 in words is "one hundred three billion, four hundred twenty-one million, six hundred thirty-four thousand, one hundred forty-three".

Divisors: 1 137 754902439 103421634143