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2945106313 = 10492807537
BaseRepresentation
bin1010111110001010…
…1100000110001001
321121020201220100121
42233202230012021
522012421400223
61204123503241
7132660663532
oct25742540611
97536656317
102945106313
111281487a66
126a2387b21
1337c204876
141dd1d7689
1512384e15d
hexaf8ac189

2945106313 has 4 divisors (see below), whose sum is σ = 2947914900. Its totient is φ = 2942297728.

The previous prime is 2945106259. The next prime is 2945106317. The reversal of 2945106313 is 3136015492.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2264522569 + 680583744 = 47587^2 + 26088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2945106313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2945106317) 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, 1402720 + ... + 1404817.

It is an arithmetic number, because the mean of its divisors is an integer number (736978725).

Almost surely, 22945106313 is an apocalyptic number.

It is an amenable number.

2945106313 is a deficient number, since it is larger than the sum of its proper divisors (2808587).

2945106313 is a wasteful number, since it uses less digits than its factorization.

2945106313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808586.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 2945106313 is about 54268.8337169687. The cubic root of 2945106313 is about 1433.3986536604.

The spelling of 2945106313 in words is "two billion, nine hundred forty-five million, one hundred six thousand, three hundred thirteen".

Divisors: 1 1049 2807537 2945106313