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12525034400 = 255234745119
BaseRepresentation
bin10111010101000110…
…01101101110100000
31012022220001200010222
423222203031232200
5201122402100100
65430502542212
7622245015164
oct135243155640
935286050128
1012525034400
1153480677aa
122516737968
131247b73678
1486b64cca4
154d48d1485
hex2ea8cdba0

12525034400 has 72 divisors (see below), whose sum is σ = 30665537280. Its totient is φ = 4995464960.

The previous prime is 12525034397. The next prime is 12525034411. The reversal of 12525034400 is 443052521.

It is a happy number.

12525034400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12525034400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255041 + ... + 300159.

It is an arithmetic number, because the mean of its divisors is an integer number (425910240).

Almost surely, 212525034400 is an apocalyptic number.

12525034400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12525034400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15332768640).

12525034400 is an abundant number, since it is smaller than the sum of its proper divisors (18140502880).

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

12525034400 is a wasteful number, since it uses less digits than its factorization.

12525034400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45486 (or 45473 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 12525034400 its reverse (443052521), we get a palindrome (12968086921).

The spelling of 12525034400 in words is "twelve billion, five hundred twenty-five million, thirty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 347 400 694 800 1388 1735 2776 3470 5552 6940 8675 11104 13880 17350 27760 34700 45119 55520 69400 90238 138800 180476 225595 277600 360952 451190 721904 902380 1127975 1443808 1804760 2255950 3609520 4511900 7219040 9023800 15656293 18047600 31312586 36095200 62625172 78281465 125250344 156562930 250500688 313125860 391407325 501001376 626251720 782814650 1252503440 1565629300 2505006880 3131258600 6262517200 12525034400