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27970482669 = 39323494223
BaseRepresentation
bin11010000011001010…
…111011000111101101
32200012022101201222120
4122003022323013231
5424240420421134
620503252303153
72010064115463
oct320312730755
980168351876
1027970482669
1110953676688
125507311ab9
132839a8467c
1414d4aa8833
15ada885649
hex6832bb1ed

27970482669 has 4 divisors (see below), whose sum is σ = 37293976896. Its totient is φ = 18646988444.

The previous prime is 27970482649. The next prime is 27970482769. The reversal of 27970482669 is 96628407972.

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 27970482669 - 29 = 27970482157 is a prime.

It is a super-2 number, since 2×279704826692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27970482649) 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, 4661747109 + ... + 4661747114.

It is an arithmetic number, because the mean of its divisors is an integer number (9323494224).

Almost surely, 227970482669 is an apocalyptic number.

It is an amenable number.

27970482669 is a deficient number, since it is larger than the sum of its proper divisors (9323494227).

27970482669 is an equidigital number, since it uses as much as digits as its factorization.

27970482669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323494226.

The product of its (nonzero) digits is 18289152, while the sum is 60.

The spelling of 27970482669 in words is "twenty-seven billion, nine hundred seventy million, four hundred eighty-two thousand, six hundred sixty-nine".

Divisors: 1 3 9323494223 27970482669