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12354252320 = 25577214077
BaseRepresentation
bin10111000000101111…
…01110111000100000
31011212222201001011202
423200113232320200
5200300142033240
65401522300332
7615102261224
oct134027567040
934788631152
1012354252320
11526a720693
1224894b76a8
13121b679397
14852ab4784
154c48e9315
hex2e05eee20

12354252320 has 24 divisors (see below), whose sum is σ = 29186921484. Its totient is φ = 4941700864.

The previous prime is 12354252319. The next prime is 12354252343. The reversal of 12354252320 is 2325245321.

It can be written as a sum of positive squares in 2 ways, for example, as 11840051344 + 514200976 = 108812^2 + 22676^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38606879 + ... + 38607198.

Almost surely, 212354252320 is an apocalyptic number.

12354252320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12354252320 is an abundant number, since it is smaller than the sum of its proper divisors (16832669164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12354252320 is an equidigital number, since it uses as much as digits as its factorization.

12354252320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77214092 (or 77214084 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 12354252320 its reverse (2325245321), we get a palindrome (14679497641).

The spelling of 12354252320 in words is "twelve billion, three hundred fifty-four million, two hundred fifty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 77214077 154428154 308856308 386070385 617712616 772140770 1235425232 1544281540 2470850464 3088563080 6177126160 12354252320