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12452125449 = 327191526557
BaseRepresentation
bin10111001100011010…
…00101101100001001
31012010210212111212110
423212031011230021
5201000221003244
65415340132533
7620401214511
oct134615055411
935123774773
1012452125449
11530a99a175
1224b6237149
131235a26a8a
14861ab0841
154cd2cd9b9
hex2e6345b09

12452125449 has 8 divisors (see below), whose sum is σ = 16608951040. Its totient is φ = 8298358416.

The previous prime is 12452125429. The next prime is 12452125451. The reversal of 12452125449 is 94452125421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12452125449 - 25 = 12452125417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12452125409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755122 + ... + 771435.

It is an arithmetic number, because the mean of its divisors is an integer number (2076118880).

Almost surely, 212452125449 is an apocalyptic number.

It is an amenable number.

12452125449 is a deficient number, since it is larger than the sum of its proper divisors (4156825591).

12452125449 is a wasteful number, since it uses less digits than its factorization.

12452125449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529279.

The product of its digits is 115200, while the sum is 39.

The spelling of 12452125449 in words is "twelve billion, four hundred fifty-two million, one hundred twenty-five thousand, four hundred forty-nine".

Divisors: 1 3 2719 8157 1526557 4579671 4150708483 12452125449