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25345030000 = 24542534503
BaseRepresentation
bin10111100110101011…
…100111011101110000
32102102100010220222211
4113212223213131300
5403401311430000
615350543541504
71555034125513
oct274653473560
972370126884
1025345030000
11a826677194
124ab3bba894
13250bb6c494
14132611cd7a
159d51287ba
hex5e6ae7770

25345030000 has 50 divisors (see below), whose sum is σ = 61362876344. Its totient is φ = 10138008000.

The previous prime is 25345029977. The next prime is 25345030001. The reversal of 25345030000 is 3054352.

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25345030001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1257252 + ... + 1277251.

Almost surely, 225345030000 is an apocalyptic number.

25345030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25345030000 is an abundant number, since it is smaller than the sum of its proper divisors (36017846344).

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

25345030000 is an equidigital number, since it uses as much as digits as its factorization.

25345030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534531 (or 2534510 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

Adding to 25345030000 its reverse (3054352), we get a palindrome (25348084352).

The spelling of 25345030000 in words is "twenty-five billion, three hundred forty-five million, thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 2534503 5069006 10138012 12672515 20276024 25345030 40552048 50690060 63362575 101380120 126725150 202760240 253450300 316812875 506900600 633625750 1013801200 1267251500 1584064375 2534503000 3168128750 5069006000 6336257500 12672515000 25345030000