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25234245200 = 245263085613
BaseRepresentation
bin10111100000000101…
…000000011001010000
32102010121200110211002
4113200011000121100
5403134431321300
615331545241132
71552220354663
oct274005003120
972117613732
1025234245200
11a77a0899aa
124a82a931a8
1324c1c20b48
1413155216da
159ca5435d5
hex5e0140650

25234245200 has 30 divisors (see below), whose sum is σ = 60625275054. Its totient is φ = 10093697920.

The previous prime is 25234245193. The next prime is 25234245221. The reversal of 25234245200 is 254243252.

It can be written as a sum of positive squares in 3 ways, for example, as 287296 + 25233957904 = 536^2 + 158852^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31542407 + ... + 31543206.

Almost surely, 225234245200 is an apocalyptic number.

25234245200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25234245200 is an abundant number, since it is smaller than the sum of its proper divisors (35391029854).

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

25234245200 is a wasteful number, since it uses less digits than its factorization.

25234245200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63085631 (or 63085620 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 25234245200 its reverse (254243252), we get a palindrome (25488488452).

The spelling of 25234245200 in words is "twenty-five billion, two hundred thirty-four million, two hundred forty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 63085613 126171226 252342452 315428065 504684904 630856130 1009369808 1261712260 1577140325 2523424520 3154280650 5046849040 6308561300 12617122600 25234245200