Search a number
-
+
27552750013 = 41901374561
BaseRepresentation
bin11001101010010001…
…011001100110111101
32122010012100201111201
4121222101121212331
5422412001000023
620354011015501
71663532340145
oct315221314675
978105321451
1027552750013
1110759899988
12540b43a591
1327a1374999
141495409925
15ab3d6cbad
hex66a4599bd

27552750013 has 8 divisors (see below), whose sum is σ = 28228278456. Its totient is φ = 26877388800.

The previous prime is 27552749999. The next prime is 27552750037. The reversal of 27552750013 is 31005725572.

It can be written as a sum of positive squares in 4 ways, for example, as 455310244 + 27097439769 = 21338^2 + 164613^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27552750013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27552750073) 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 7 ways as a sum of consecutive naturals, for example, 332253 + ... + 406813.

It is an arithmetic number, because the mean of its divisors is an integer number (3528534807).

Almost surely, 227552750013 is an apocalyptic number.

It is an amenable number.

27552750013 is a deficient number, since it is larger than the sum of its proper divisors (675528443).

27552750013 is an equidigital number, since it uses as much as digits as its factorization.

27552750013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83615.

The product of its (nonzero) digits is 73500, while the sum is 37.

The spelling of 27552750013 in words is "twenty-seven billion, five hundred fifty-two million, seven hundred fifty thousand, thirteen".

Divisors: 1 41 9013 74561 369533 3057001 672018293 27552750013