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3120340211 = 22313992557
BaseRepresentation
bin1011100111111100…
…1001110011110011
322001110110201001222
42321333021303303
522342301341321
61233343415255
7140216311532
oct27177116363
98043421058
103120340211
11136139486a
12730bb452b
133a95ca271
142185b0319
15133e153ab
hexb9fc9cf3

3120340211 has 4 divisors (see below), whose sum is σ = 3134332992. Its totient is φ = 3106347432.

The previous prime is 3120340207. The next prime is 3120340213. The reversal of 3120340211 is 1120430213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3120340211 - 22 = 3120340207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3120340211.

It is not an unprimeable number, because it can be changed into a prime (3120340213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6996056 + ... + 6996501.

It is an arithmetic number, because the mean of its divisors is an integer number (783583248).

Almost surely, 23120340211 is an apocalyptic number.

3120340211 is a deficient number, since it is larger than the sum of its proper divisors (13992781).

3120340211 is a wasteful number, since it uses less digits than its factorization.

3120340211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13992780.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3120340211 is about 55860.0054690294. The cubic root of 3120340211 is about 1461.2818246431.

Adding to 3120340211 its reverse (1120430213), we get a palindrome (4240770424).

The spelling of 3120340211 in words is "three billion, one hundred twenty million, three hundred forty thousand, two hundred eleven".

Divisors: 1 223 13992557 3120340211