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15712250142 = 2313991871843
BaseRepresentation
bin11101010001000010…
…11110100100011110
31111120000101000012110
432220201132210132
5224134314001032
611115040014450
71064235631311
oct165041364436
944500330173
1015712250142
1167331790a6
123066001426
131635287244
14a90a6a978
1561e6067cc
hex3a885e91e

15712250142 has 16 divisors (see below), whose sum is σ = 31446979200. Its totient is φ = 5233670232.

The previous prime is 15712250137. The next prime is 15712250159. The reversal of 15712250142 is 24105221751.

It is a happy number.

15712250142 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

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, 927528 + ... + 944315.

It is an arithmetic number, because the mean of its divisors is an integer number (1965436200).

Almost surely, 215712250142 is an apocalyptic number.

15712250142 is an abundant number, since it is smaller than the sum of its proper divisors (15734729058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15712250142 is a wasteful number, since it uses less digits than its factorization.

15712250142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873247.

The product of its (nonzero) digits is 5600, while the sum is 30.

Adding to 15712250142 its reverse (24105221751), we get a palindrome (39817471893).

The spelling of 15712250142 in words is "fifteen billion, seven hundred twelve million, two hundred fifty thousand, one hundred forty-two".

Divisors: 1 2 3 6 1399 2798 4197 8394 1871843 3743686 5615529 11231058 2618708357 5237416714 7856125071 15712250142