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3120302313 = 321316326339
BaseRepresentation
bin1011100111111100…
…0000100011101001
322001110101210002100
42321333000203221
522342244133223
61233342524013
7140216063202
oct27177004351
98043353070
103120302313
111361369347
12730b96609
133a95b5c3b
142185a05a9
15133e09043
hexb9fc08e9

3120302313 has 12 divisors (see below), whose sum is σ = 4507616880. Its totient is φ = 2079964536.

The previous prime is 3120302239. The next prime is 3120302323. The reversal of 3120302313 is 3132030213.

3120302313 is a `hidden beast` number, since 31 + 20 + 302 + 313 = 666.

It is not a de Polignac number, because 3120302313 - 214 = 3120285929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3120302323) 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, 105298 + ... + 131636.

It is an arithmetic number, because the mean of its divisors is an integer number (375634740).

Almost surely, 23120302313 is an apocalyptic number.

It is an amenable number.

3120302313 is a deficient number, since it is larger than the sum of its proper divisors (1387314567).

3120302313 is a wasteful number, since it uses less digits than its factorization.

3120302313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39508 (or 39505 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3120302313 is about 55859.6662449750. Note that the first 3 decimals coincide. The cubic root of 3120302313 is about 1461.2759086341.

Adding to 3120302313 its reverse (3132030213), we get a palindrome (6252332526).

The spelling of 3120302313 in words is "three billion, one hundred twenty million, three hundred two thousand, three hundred thirteen".

Divisors: 1 3 9 13163 26339 39489 79017 118467 237051 346700257 1040100771 3120302313