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15053121445 = 57142403159
BaseRepresentation
bin11100000010011110…
…00110011110100101
31102212002002210121111
432001033012132211
5221312044341240
610525412345021
71042013264305
oct160117063645
942762083544
1015053121445
116425104a3a
122b01315171
13155b85816b
14a2b2d1605
155d18091ea
hex3813c67a5

15053121445 has 8 divisors (see below), whose sum is σ = 18318165120. Its totient is φ = 11872884240.

The previous prime is 15053121383. The next prime is 15053121451. The reversal of 15053121445 is 54412135051.

15053121445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 15053121445 - 213 = 15053113253 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 21201225 + ... + 21201934.

It is an arithmetic number, because the mean of its divisors is an integer number (2289770640).

Almost surely, 215053121445 is an apocalyptic number.

It is an amenable number.

15053121445 is a deficient number, since it is larger than the sum of its proper divisors (3265043675).

15053121445 is an equidigital number, since it uses as much as digits as its factorization.

15053121445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42403235.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 15053121445 its reverse (54412135051), we get a palindrome (69465256496).

The spelling of 15053121445 in words is "fifteen billion, fifty-three million, one hundred twenty-one thousand, four hundred forty-five".

Divisors: 1 5 71 355 42403159 212015795 3010624289 15053121445