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712012489 is a prime number
BaseRepresentation
bin101010011100000…
…111001011001001
31211121202222111221
4222130013023021
52424233344424
6154352522041
723434002106
oct5234071311
91747688457
10712012489
11335a04581
1217a550321
13b4686c86
146a7c3aad
15427969e4
hex2a7072c9

712012489 has 2 divisors, whose sum is σ = 712012490. Its totient is φ = 712012488.

The previous prime is 712012481. The next prime is 712012523. The reversal of 712012489 is 984210217.

It is an a-pointer prime, because the next prime (712012523) can be obtained adding 712012489 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 711128889 + 883600 = 26667^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 712012489 - 23 = 712012481 is a prime.

It is not a weakly prime, because it can be changed into another prime (712012481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356006244 + 356006245.

It is an arithmetic number, because the mean of its divisors is an integer number (356006245).

Almost surely, 2712012489 is an apocalyptic number.

It is an amenable number.

712012489 is a deficient number, since it is larger than the sum of its proper divisors (1).

712012489 is an equidigital number, since it uses as much as digits as its factorization.

712012489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 712012489 is about 26683.5621497580. The cubic root of 712012489 is about 892.9542400790.

The spelling of 712012489 in words is "seven hundred twelve million, twelve thousand, four hundred eighty-nine".