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11686479648 = 253532296871
BaseRepresentation
bin10101110001001000…
…11000011100100000
31010011110011200021120
422320210120130200
5142413214322043
65211345452240
7562413303144
oct127044303440
933143150246
1011686479648
114a57793148
122321941080
131143211a1c
147cc129224
15485e90983
hex2b8918720

11686479648 has 48 divisors (see below), whose sum is σ = 31255834176. Its totient is φ = 3821991680.

The previous prime is 11686479631. The next prime is 11686479661. The reversal of 11686479648 is 84697468611.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 11686479591 and 11686479600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143348 + ... + 1153523.

It is an arithmetic number, because the mean of its divisors is an integer number (651163212).

Almost surely, 211686479648 is an apocalyptic number.

It is an amenable number.

11686479648 is an abundant number, since it is smaller than the sum of its proper divisors (19569354528).

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

11686479648 is a wasteful number, since it uses less digits than its factorization.

11686479648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296937 (or 2296929 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The spelling of 11686479648 in words is "eleven billion, six hundred eighty-six million, four hundred seventy-nine thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 53 96 106 159 212 318 424 636 848 1272 1696 2544 5088 2296871 4593742 6890613 9187484 13781226 18374968 27562452 36749936 55124904 73499872 110249808 121734163 220499616 243468326 365202489 486936652 730404978 973873304 1460809956 1947746608 2921619912 3895493216 5843239824 11686479648