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15130440502 = 2471071504319
BaseRepresentation
bin11100001011101100…
…00011001100110110
31110001110121000102021
432011312003030312
5221441343044002
610541213503354
71043642423302
oct160566031466
943043530367
1015130440502
116464814991
122b231a1b5a
13157188a198
14a3769ad02
155d84cd737
hex385d83336

15130440502 has 16 divisors (see below), whose sum is σ = 23395184640. Its totient is φ = 7335054568.

The previous prime is 15130440499. The next prime is 15130440503. The reversal of 15130440502 is 20504403151.

It is a happy number.

15130440502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15130440503) 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, 742102 + ... + 762217.

It is an arithmetic number, because the mean of its divisors is an integer number (1462199040).

Almost surely, 215130440502 is an apocalyptic number.

15130440502 is a deficient number, since it is larger than the sum of its proper divisors (8264744138).

15130440502 is a wasteful number, since it uses less digits than its factorization.

15130440502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504475.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 15130440502 its reverse (20504403151), we get a palindrome (35634843653).

The spelling of 15130440502 in words is "fifteen billion, one hundred thirty million, four hundred forty thousand, five hundred two".

Divisors: 1 2 47 94 107 214 5029 10058 1504319 3008638 70702993 141405986 160962133 321924266 7565220251 15130440502