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15043214321 = 613169714461
BaseRepresentation
bin11100000001010010…
…10011101111110001
31102211101110110120222
432000221103233301
5221302030324241
610524420142425
71041533132462
oct160051235761
942741413528
1015043214321
11641a558633
122ab9b37a15
131559799965
14a29c72d69
155d09eda4b
hex380a53bf1

15043214321 has 8 divisors (see below), whose sum is σ = 15077676264. Its totient is φ = 15008785920.

The previous prime is 15043214309. The next prime is 15043214323. The reversal of 15043214321 is 12341234051.

It is a happy number.

15043214321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28143025 + 15015071296 = 5305^2 + 122536^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15043214321 - 226 = 14976105457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15043214323) 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 7 ways as a sum of consecutive naturals, for example, 1033031 + ... + 1047491.

It is an arithmetic number, because the mean of its divisors is an integer number (1884709533).

Almost surely, 215043214321 is an apocalyptic number.

It is an amenable number.

15043214321 is a deficient number, since it is larger than the sum of its proper divisors (34461943).

15043214321 is a wasteful number, since it uses less digits than its factorization.

15043214321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16771.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 15043214321 its reverse (12341234051), we get a palindrome (27384448372).

The spelling of 15043214321 in words is "fifteen billion, forty-three million, two hundred fourteen thousand, three hundred twenty-one".

Divisors: 1 613 1697 14461 1040261 8864593 24540317 15043214321