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25338378048 = 263131970719
BaseRepresentation
bin10111100110010010…
…001111011101000000
32102101212121222020020
4113212102033131000
5403343111044143
615350145213440
71554623442204
oct274622173500
972355558206
1025338378048
11a822943505
124ab1931280
13250a680809
1413252aab04
159d4762883
hex5e648f740

25338378048 has 28 divisors (see below), whose sum is σ = 67041125760. Its totient is φ = 8446125952.

The previous prime is 25338377983. The next prime is 25338378151. The reversal of 25338378048 is 84087383352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65985168 + ... + 65985551.

It is an arithmetic number, because the mean of its divisors is an integer number (2394325920).

Almost surely, 225338378048 is an apocalyptic number.

It is an amenable number.

25338378048 is an abundant number, since it is smaller than the sum of its proper divisors (41702747712).

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

25338378048 is a wasteful number, since it uses less digits than its factorization.

25338378048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131970734 (or 131970724 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 25338378048 in words is "twenty-five billion, three hundred thirty-eight million, three hundred seventy-eight thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 131970719 263941438 395912157 527882876 791824314 1055765752 1583648628 2111531504 3167297256 4223063008 6334594512 8446126016 12669189024 25338378048