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25004303320 = 235625107583
BaseRepresentation
bin10111010010010111…
…110110001111011000
32101112121000012212011
4113102113312033120
5402202100201240
615253052555304
71543426033333
oct272227661730
971477005764
1025004303320
11a671306197
124a19a82b34
1324863b2169
1412d2b8761a
159b52726ea
hex5d25f63d8

25004303320 has 16 divisors (see below), whose sum is σ = 56259682560. Its totient is φ = 10001721312.

The previous prime is 25004303293. The next prime is 25004303321. The reversal of 25004303320 is 2330340052.

It is a junction number, because it is equal to n+sod(n) for n = 25004303291 and 25004303300.

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 3 ways as a sum of consecutive naturals, for example, 312553752 + ... + 312553831.

It is an arithmetic number, because the mean of its divisors is an integer number (3516230160).

Almost surely, 225004303320 is an apocalyptic number.

25004303320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25004303320 is an abundant number, since it is smaller than the sum of its proper divisors (31255379240).

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

25004303320 is a wasteful number, since it uses less digits than its factorization.

25004303320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625107594 (or 625107590 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

Adding to 25004303320 its reverse (2330340052), we get a palindrome (27334643372).

The spelling of 25004303320 in words is "twenty-five billion, four million, three hundred three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 625107583 1250215166 2500430332 3125537915 5000860664 6251075830 12502151660 25004303320