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13204254400 = 26528252659
BaseRepresentation
bin11000100110000100…
…01110111011000000
31021002020010121211021
430103002032323000
5204020242120100
610022124555224
7645133211341
oct142302167300
937066117737
1013204254400
115666503847
1226860b2b14
1313257b85ac
148d39380c8
1552434ba1a
hex31308eec0

13204254400 has 42 divisors (see below), whose sum is σ = 32490722420. Its totient is φ = 5281701120.

The previous prime is 13204254397. The next prime is 13204254431. The reversal of 13204254400 is 445240231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4124730 + ... + 4127929.

Almost surely, 213204254400 is an apocalyptic number.

13204254400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13204254400 is an abundant number, since it is smaller than the sum of its proper divisors (19286468020).

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

13204254400 is an equidigital number, since it uses as much as digits as its factorization.

13204254400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8252681 (or 8252666 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 13204254400 its reverse (445240231), we get a palindrome (13649494631).

The spelling of 13204254400 in words is "thirteen billion, two hundred four million, two hundred fifty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 8252659 16505318 33010636 41263295 66021272 82526590 132042544 165053180 206316475 264085088 330106360 412632950 528170176 660212720 825265900 1320425440 1650531800 2640850880 3301063600 6602127200 13204254400