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25004303324 = 2271113172953239
BaseRepresentation
bin10111010010010111…
…110110001111011100
32101112121000012212022
4113102113312033130
5402202100201244
615253052555312
71543426033340
oct272227661734
971477005768
1025004303324
11a6713061a0
124a19a82b38
1324863b2170
1412d2b87620
159b52726ee
hex5d25f63dc

25004303324 has 384 divisors, whose sum is σ = 65840947200. Its totient is φ = 7984005120.

The previous prime is 25004303323. The next prime is 25004303339. The reversal of 25004303324 is 42330340052.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 25004303293 and 25004303302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25004303321) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 104620397 + ... + 104620635.

It is an arithmetic number, because the mean of its divisors is an integer number (171460800).

Almost surely, 225004303324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25004303324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32920473600).

25004303324 is an abundant number, since it is smaller than the sum of its proper divisors (40836643876).

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

25004303324 is a wasteful number, since it uses less digits than its factorization.

25004303324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 25004303324 its reverse (42330340052), we get a palindrome (67334643376).

The spelling of 25004303324 in words is "twenty-five billion, four million, three hundred three thousand, three hundred twenty-four".