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103454323221 = 334484774407
BaseRepresentation
bin110000001011001011…
…0111011001000010101
3100220000220120010212210
41200112112323020111
53143333301320341
6115305401104033
710321460144454
oct1402626731025
9326026503783
10103454323221
113a9692a5287
1218072788019
1399a9375692
145015b2cb9b
152a57622c16
hex18165bb215

103454323221 has 4 divisors (see below), whose sum is σ = 137939097632. Its totient is φ = 68969548812.

The previous prime is 103454323183. The next prime is 103454323237. The reversal of 103454323221 is 122323454301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122323454301 = 340774484767.

It is not a de Polignac number, because 103454323221 - 221 = 103452226069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103454323261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17242387201 + ... + 17242387206.

It is an arithmetic number, because the mean of its divisors is an integer number (34484774408).

Almost surely, 2103454323221 is an apocalyptic number.

It is an amenable number.

103454323221 is a deficient number, since it is larger than the sum of its proper divisors (34484774411).

103454323221 is an equidigital number, since it uses as much as digits as its factorization.

103454323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34484774410.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 103454323221 its reverse (122323454301), we get a palindrome (225777777522).

The spelling of 103454323221 in words is "one hundred three billion, four hundred fifty-four million, three hundred twenty-three thousand, two hundred twenty-one".

Divisors: 1 3 34484774407 103454323221