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25530333085 = 523329277487
BaseRepresentation
bin10111110001101110…
…011111011110011101
32102220020211022001001
4113301232133132131
5404241231124320
615421203350301
71562444151655
oct276156373635
972806738031
1025530333085
11a911231134
124b46082391
13253b37c08a
141342997365
159e652d20a
hex5f1b9f79d

25530333085 has 16 divisors (see below), whose sum is σ = 30782509056. Its totient is φ = 20326945408.

The previous prime is 25530333071. The next prime is 25530333089. The reversal of 25530333085 is 58033303552.

It is a cyclic number.

It is not a de Polignac number, because 25530333085 - 27 = 25530332957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25530333089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3406212 + ... + 3413698.

It is an arithmetic number, because the mean of its divisors is an integer number (1923906816).

Almost surely, 225530333085 is an apocalyptic number.

It is an amenable number.

25530333085 is a deficient number, since it is larger than the sum of its proper divisors (5252175971).

25530333085 is a wasteful number, since it uses less digits than its factorization.

25530333085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10652.

The product of its (nonzero) digits is 162000, while the sum is 37.

The spelling of 25530333085 in words is "twenty-five billion, five hundred thirty million, three hundred thirty-three thousand, eighty-five".

Divisors: 1 5 233 1165 2927 7487 14635 37435 681991 1744471 3409955 8722355 21914449 109572245 5106066617 25530333085