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389052920071 = 2081186954791
BaseRepresentation
bin1011010100101010101…
…11000111000100000111
31101012012202201002110001
411222111113013010013
522333240021420241
6454421202142131
740052044154044
oct5522527070407
91335182632401
10389052920071
1113aaa625a202
1263499051947
132a8c268225a
1414b8a34a1cb
15a1c080e431
hex5a955c7107

389052920071 has 4 divisors (see below), whose sum is σ = 389239876944. Its totient is φ = 388865963200.

The previous prime is 389052920059. The next prime is 389052920083. The reversal of 389052920071 is 170029250983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170029250983 = 199785142339.

It is an interprime number because it is at equal distance from previous prime (389052920059) and next prime (389052920083).

It is a cyclic number.

It is not a de Polignac number, because 389052920071 - 227 = 388918702343 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 (389052920371) 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, 93475315 + ... + 93479476.

It is an arithmetic number, because the mean of its divisors is an integer number (97309969236).

Almost surely, 2389052920071 is an apocalyptic number.

389052920071 is a deficient number, since it is larger than the sum of its proper divisors (186956873).

389052920071 is a wasteful number, since it uses less digits than its factorization.

389052920071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186956872.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 389052920071 in words is "three hundred eighty-nine billion, fifty-two million, nine hundred twenty thousand, seventy-one".

Divisors: 1 2081 186954791 389052920071