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25112303000 = 235331380231
BaseRepresentation
bin10111011000110011…
…110101010110011000
32101211010020011120022
4113120303311112120
5402412222144000
615311511450012
71546210024241
oct273063652630
971733204508
1025112303000
11a717270a24
124a4a086908
1324a2896bb5
14130325bcc8
159be9a7585
hex5d8cf5598

25112303000 has 64 divisors (see below), whose sum is σ = 58951264320. Its totient is φ = 10012704000.

The previous prime is 25112302991. The next prime is 25112303017. The reversal of 25112303000 is 30321152.

It is a self number, because there is not a number n which added to its sum of digits gives 25112303000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272885 + ... + 353115.

It is an arithmetic number, because the mean of its divisors is an integer number (921113505).

Almost surely, 225112303000 is an apocalyptic number.

25112303000 is a gapful number since it is divisible by the number (20) 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 25112303000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29475632160).

25112303000 is an abundant number, since it is smaller than the sum of its proper divisors (33838961320).

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

25112303000 is a wasteful number, since it uses less digits than its factorization.

25112303000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80565 (or 80551 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 25112303000 its reverse (30321152), we get a palindrome (25142624152).

The spelling of 25112303000 in words is "twenty-five billion, one hundred twelve million, three hundred three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 313 500 626 1000 1252 1565 2504 3130 6260 7825 12520 15650 31300 39125 62600 78250 80231 156500 160462 313000 320924 401155 641848 802310 1604620 2005775 3209240 4011550 8023100 10028875 16046200 20057750 25112303 40115500 50224606 80231000 100449212 125561515 200898424 251123030 502246060 627807575 1004492120 1255615150 2511230300 3139037875 5022460600 6278075750 12556151500 25112303000