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3120330121 = 23894093727
BaseRepresentation
bin1011100111111100…
…0111010110001001
322001110110012020021
42321333013112021
522342301030441
61233343300441
7140216240236
oct27177072611
98043405207
103120330121
111361388227
12730baa721
133a95c57ac
142185aa78d
15133e123d1
hexb9fc7589

3120330121 has 16 divisors (see below), whose sum is σ = 3301516800. Its totient is φ = 2943122688.

The previous prime is 3120330107. The next prime is 3120330173. The reversal of 3120330121 is 1210330213.

It is not a de Polignac number, because 3120330121 - 25 = 3120330089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3120330095 and 3120330104.

It is not an unprimeable number, because it can be changed into a prime (3120330181) 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, 835360 + ... + 839086.

It is an arithmetic number, because the mean of its divisors is an integer number (206344800).

Almost surely, 23120330121 is an apocalyptic number.

It is an amenable number.

3120330121 is a deficient number, since it is larger than the sum of its proper divisors (181186679).

3120330121 is a wasteful number, since it uses less digits than its factorization.

3120330121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3120330121 is about 55859.9151538919. The cubic root of 3120330121 is about 1461.2802495639.

Adding to 3120330121 its reverse (1210330213), we get a palindrome (4330660334).

The spelling of 3120330121 in words is "three billion, one hundred twenty million, three hundred thirty thousand, one hundred twenty-one".

Divisors: 1 23 89 409 2047 3727 9407 36401 85721 331703 837223 1524343 7629169 35059889 135666527 3120330121