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BaseRepresentation
bin101010011100100…
…110110110111111
31211122000120112200
4222130212312333
52424302023041
6154355402543
723435052351
oct5234466677
91748016480
10712142271
11335a93035
1217a5b3453
13b4701079
146a8190d1
15427c01b6
hex2a726dbf

712142271 has 6 divisors (see below), whose sum is σ = 1028649960. Its totient is φ = 474761508.

The previous prime is 712142267. The next prime is 712142297. The reversal of 712142271 is 172241217.

It is a happy number.

It is not a de Polignac number, because 712142271 - 22 = 712142267 is a prime.

It is a super-2 number, since 2×7121422712 = 1014293228290074882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712142771) 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 5 ways as a sum of consecutive naturals, for example, 39563451 + ... + 39563468.

It is an arithmetic number, because the mean of its divisors is an integer number (171441660).

Almost surely, 2712142271 is an apocalyptic number.

712142271 is a deficient number, since it is larger than the sum of its proper divisors (316507689).

712142271 is a wasteful number, since it uses less digits than its factorization.

712142271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79126925 (or 79126922 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 712142271 is about 26685.9939106641. The cubic root of 712142271 is about 893.0084911624.

Adding to 712142271 its reverse (172241217), we get a palindrome (884383488).

The spelling of 712142271 in words is "seven hundred twelve million, one hundred forty-two thousand, two hundred seventy-one".

Divisors: 1 3 9 79126919 237380757 712142271