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3120256113 = 313312580857
BaseRepresentation
bin1011100111111011…
…0101010001110001
322001110022102201020
42321332311101301
522342241143423
61233341530053
7140215511412
oct27176652161
98043272636
103120256113
111361337667
12730b73929
133a959abc0
1421858b809
15133dea4e3
hexb9fb5471

3120256113 has 16 divisors (see below), whose sum is σ = 4624897536. Its totient is φ = 1858216320.

The previous prime is 3120256103. The next prime is 3120256159. The reversal of 3120256113 is 3116520213.

It is not a de Polignac number, because 3120256113 - 212 = 3120252017 is a prime.

It is a super-3 number, since 3×31202561133 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3120256103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1289220 + ... + 1291637.

It is an arithmetic number, because the mean of its divisors is an integer number (289056096).

Almost surely, 23120256113 is an apocalyptic number.

It is an amenable number.

3120256113 is a deficient number, since it is larger than the sum of its proper divisors (1504641423).

3120256113 is a wasteful number, since it uses less digits than its factorization.

3120256113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580904.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 3120256113 is about 55859.2527071389. The cubic root of 3120256113 is about 1461.2686965893.

Adding to 3120256113 its reverse (3116520213), we get a palindrome (6236776326).

The spelling of 3120256113 in words is "three billion, one hundred twenty million, two hundred fifty-six thousand, one hundred thirteen".

Divisors: 1 3 13 31 39 93 403 1209 2580857 7742571 33551141 80006567 100653423 240019701 1040085371 3120256113