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28050252550053 = 39350084183351
BaseRepresentation
bin1100110000010111101010…
…10101101100111110100101
310200022120121022212221200120
412120023311111230332211
512134033404123100203
6135354035204432153
75623364256456336
oct630136525547645
9120276538787616
1028050252550053
118a35055328978
1231903b09a8659
131286187070bc6
146cd8d49ac28d
153399b892ab53
hex1982f556cfa5

28050252550053 has 4 divisors (see below), whose sum is σ = 37400336733408. Its totient is φ = 18700168366700.

The previous prime is 28050252550049. The next prime is 28050252550081. The reversal of 28050252550053 is 35005525205082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28050252550053 - 22 = 28050252550049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28050252549987 and 28050252550014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28050252555053) 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, 4675042091673 + ... + 4675042091678.

It is an arithmetic number, because the mean of its divisors is an integer number (9350084183352).

Almost surely, 228050252550053 is an apocalyptic number.

It is an amenable number.

28050252550053 is a deficient number, since it is larger than the sum of its proper divisors (9350084183355).

28050252550053 is an equidigital number, since it uses as much as digits as its factorization.

28050252550053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9350084183354.

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 28050252550053 in words is "twenty-eight trillion, fifty billion, two hundred fifty-two million, five hundred fifty thousand, fifty-three".

Divisors: 1 3 9350084183351 28050252550053