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3130112243 = 15711992433
BaseRepresentation
bin1011101010010001…
…1011100011110011
322002010212011210002
42322210123203303
522402302042433
61234333100215
7140365341446
oct27244334363
98063764702
103130112243
111366959725
1273432766b
133ab63c12b
142199d565d
15134be59e8
hexba91b8f3

3130112243 has 4 divisors (see below), whose sum is σ = 3132106248. Its totient is φ = 3128118240.

The previous prime is 3130112239. The next prime is 3130112257. The reversal of 3130112243 is 3422110313.

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 3130112243 - 22 = 3130112239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3130112203) 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, 994646 + ... + 997787.

It is an arithmetic number, because the mean of its divisors is an integer number (783026562).

Almost surely, 23130112243 is an apocalyptic number.

3130112243 is a deficient number, since it is larger than the sum of its proper divisors (1994005).

3130112243 is a wasteful number, since it uses less digits than its factorization.

3130112243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994004.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3130112243 is about 55947.4060435334. The cubic root of 3130112243 is about 1462.8056768517.

Adding to 3130112243 its reverse (3422110313), we get a palindrome (6552222556).

The spelling of 3130112243 in words is "three billion, one hundred thirty million, one hundred twelve thousand, two hundred forty-three".

Divisors: 1 1571 1992433 3130112243