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27982024933 = 41682488413
BaseRepresentation
bin11010000011110110…
…111101000011100101
32200020010010010222211
4122003312331003211
5424301344244213
620504343523421
72010264200422
oct320366750345
980203103884
1027982024933
111095a13a545
12550b159571
13283c296205
1414d6430d49
15adb8b553d
hex683dbd0e5

27982024933 has 4 divisors (see below), whose sum is σ = 28664513388. Its totient is φ = 27299536480.

The previous prime is 27982024901. The next prime is 27982024949. The reversal of 27982024933 is 33942028972.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16771027009 + 11210997924 = 129503^2 + 105882^2 .

It is a cyclic number.

It is not a de Polignac number, because 27982024933 - 25 = 27982024901 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27982024333) 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 3 ways as a sum of consecutive naturals, for example, 341244166 + ... + 341244247.

It is an arithmetic number, because the mean of its divisors is an integer number (7166128347).

Almost surely, 227982024933 is an apocalyptic number.

It is an amenable number.

27982024933 is a deficient number, since it is larger than the sum of its proper divisors (682488455).

27982024933 is an equidigital number, since it uses as much as digits as its factorization.

27982024933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682488454.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 27982024933 in words is "twenty-seven billion, nine hundred eighty-two million, twenty-four thousand, nine hundred thirty-three".

Divisors: 1 41 682488413 27982024933