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15130451443 = 52972856419
BaseRepresentation
bin11100001011101100…
…00101110111110011
31110001110121120102111
432011312011313303
5221441343421233
610541214030151
71043642500222
oct160566056763
943043546374
1015130451443
116464822128
122b231a8357
131571892163
14a376a0cb9
155d84d1acd
hex385d85df3

15130451443 has 4 divisors (see below), whose sum is σ = 15133313160. Its totient is φ = 15127589728.

The previous prime is 15130451437. The next prime is 15130451447. The reversal of 15130451443 is 34415403151.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15130451443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15130451447) 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, 1422913 + ... + 1433506.

It is an arithmetic number, because the mean of its divisors is an integer number (3783328290).

Almost surely, 215130451443 is an apocalyptic number.

15130451443 is a deficient number, since it is larger than the sum of its proper divisors (2861717).

15130451443 is an equidigital number, since it uses as much as digits as its factorization.

15130451443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861716.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 15130451443 its reverse (34415403151), we get a palindrome (49545854594).

The spelling of 15130451443 in words is "fifteen billion, one hundred thirty million, four hundred fifty-one thousand, four hundred forty-three".

Divisors: 1 5297 2856419 15130451443