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1712462749321 = 13086112
BaseRepresentation
bin11000111010110110101…
…110111101111010001001
320001201011110210002022011
4120322312232331322021
5211024110430434241
63350410003455521
7234502265125462
oct30726656757211
96051143702264
101712462749321
1160028463a615
12237a783875a1
13c563b70c05c
145cc529c5d69
152e8299ea281
hex18eb6bbde89

1712462749321 has 3 divisors (see below), whose sum is σ = 1712464057933. Its totient is φ = 1712461440710.

The previous prime is 1712462749313. The next prime is 1712462749339. The reversal of 1712462749321 is 1239472642171.

The square root of 1712462749321 is 1308611.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1712462749321 - 23 = 1712462749313 is a prime.

It is a super-2 number, since 2×17124627493212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1712462749121) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 654306 + ... + 1962916.

Almost surely, 21712462749321 is an apocalyptic number.

1712462749321 is the 1308611-st square number.

1712462749321 is the 654306-th centered octagonal number.

It is an amenable number.

1712462749321 is a deficient number, since it is larger than the sum of its proper divisors (1308612).

1712462749321 is an frugal number, since it uses more digits than its factorization.

1712462749321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617222 (or 1308611 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

Multiplying 1712462749321 by its sum of digits (49), we get a square (83910674716729 = 91602772).

The spelling of 1712462749321 in words is "one trillion, seven hundred twelve billion, four hundred sixty-two million, seven hundred forty-nine thousand, three hundred twenty-one".

Divisors: 1 1308611 1712462749321