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3113678720 = 2754865123
BaseRepresentation
bin1011100110010110…
…1111011110000000
322000222221021020002
42321211233132000
522334100204340
61232544535132
7140105555345
oct27145573600
98028837202
103113678720
1113586549a9
1272a9214a8
133a8107159
142177587cc
1513354b715
hexb996f780

3113678720 has 32 divisors (see below), whose sum is σ = 7443639720. Its totient is φ = 1245471232.

The previous prime is 3113678651. The next prime is 3113678731. The reversal of 3113678720 is 278763113.

It is a tau number, because it is divible by the number of its divisors (32).

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, 2431922 + ... + 2433201.

Almost surely, 23113678720 is an apocalyptic number.

It is an amenable number.

3113678720 is an abundant number, since it is smaller than the sum of its proper divisors (4329961000).

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

3113678720 is an equidigital number, since it uses as much as digits as its factorization.

3113678720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865142 (or 4865130 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 3113678720 is about 55800.3469523264. The cubic root of 3113678720 is about 1460.2412061606.

The spelling of 3113678720 in words is "three billion, one hundred thirteen million, six hundred seventy-eight thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 4865123 9730246 19460492 24325615 38920984 48651230 77841968 97302460 155683936 194604920 311367872 389209840 622735744 778419680 1556839360 3113678720