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3120124441 = 72611043869
BaseRepresentation
bin1011100111111001…
…0101001000011001
322001110001202002111
42321332111020121
522342222440231
61233335032321
7140214422500
oct27176251031
98043052074
103120124441
111361257745
12730b0b6a1
133a9552ca5
14218555837
15133dc14b1
hexb9f95219

3120124441 has 12 divisors (see below), whose sum is σ = 3689036580. Its totient is φ = 2630547360.

The previous prime is 3120124439. The next prime is 3120124481. The reversal of 3120124441 is 1444210213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 636098841 + 2484025600 = 25221^2 + 49840^2 .

It is not a de Polignac number, because 3120124441 - 21 = 3120124439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120124481) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 518946 + ... + 524923.

It is an arithmetic number, because the mean of its divisors is an integer number (307419715).

Almost surely, 23120124441 is an apocalyptic number.

It is an amenable number.

3120124441 is a deficient number, since it is larger than the sum of its proper divisors (568912139).

3120124441 is a wasteful number, since it uses less digits than its factorization.

3120124441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043944 (or 1043937 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 3120124441 is about 55858.0740896068. The cubic root of 3120124441 is about 1461.2481415588.

Adding to 3120124441 its reverse (1444210213), we get a palindrome (4564334654).

The spelling of 3120124441 in words is "three billion, one hundred twenty million, one hundred twenty-four thousand, four hundred forty-one".

Divisors: 1 7 49 61 427 2989 1043869 7307083 51149581 63676009 445732063 3120124441