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25468693405 = 531375383791
BaseRepresentation
bin10111101110000011…
…010110101110011101
32102201221211200021221
4113232003112232131
5404124441142110
615411122253341
71561065215311
oct275603265635
972657750257
1025468693405
11a88a460351
124b294b7251
13252b6799ac
14133870db41
159e0e047da
hex5ee0d6b9d

25468693405 has 32 divisors (see below), whose sum is σ = 33012707328. Its totient is φ = 18822585600.

The previous prime is 25468693357. The next prime is 25468693423. The reversal of 25468693405 is 50439686452.

It is not a de Polignac number, because 25468693405 - 213 = 25468685213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262060 + ... + 345850.

It is an arithmetic number, because the mean of its divisors is an integer number (1031647104).

Almost surely, 225468693405 is an apocalyptic number.

It is an amenable number.

25468693405 is a deficient number, since it is larger than the sum of its proper divisors (7544013923).

25468693405 is a wasteful number, since it uses less digits than its factorization.

25468693405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83917.

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 25468693405 in words is "twenty-five billion, four hundred sixty-eight million, six hundred ninety-three thousand, four hundred five".

Divisors: 1 5 31 37 53 155 185 265 1147 1643 1961 5735 8215 9805 60791 83791 303955 418955 2597521 3100267 4440923 12987605 15501335 22204615 96108277 137668613 164314151 480541385 688343065 821570755 5093738681 25468693405