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28535462813 = 1113972057203
BaseRepresentation
bin11010100100110110…
…001001101110011101
32201122200111201001002
4122210312021232131
5431420034302223
621035314000045
72030064301064
oct324466115635
981580451032
1028535462813
1111113585620
125644576025
1328c9b3b450
141549b371db
15b20286e28
hex6a4d89b9d

28535462813 has 16 divisors (see below), whose sum is σ = 33869806656. Its totient is φ = 23698967040.

The previous prime is 28535462789. The next prime is 28535462819. The reversal of 28535462813 is 31826453582.

It is a cyclic number.

It is not a de Polignac number, because 28535462813 - 218 = 28535200669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28535462819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014731 + ... + 1042472.

It is an arithmetic number, because the mean of its divisors is an integer number (2116862916).

Almost surely, 228535462813 is an apocalyptic number.

It is an amenable number.

28535462813 is a deficient number, since it is larger than the sum of its proper divisors (5334343843).

28535462813 is a wasteful number, since it uses less digits than its factorization.

28535462813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057324.

The product of its digits is 1382400, while the sum is 47.

The spelling of 28535462813 in words is "twenty-eight billion, five hundred thirty-five million, four hundred sixty-two thousand, eight hundred thirteen".

Divisors: 1 11 13 97 143 1067 1261 13871 2057203 22629233 26743639 199548691 294180029 2195035601 2594132983 28535462813