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3121202041 = 11327621257
BaseRepresentation
bin1011101000001001…
…1100001101111001
322001112002111021121
42322002130031321
522343011431131
61233414105241
7140226531256
oct27202341571
98045074247
103121202041
111361923321
1273134b221
133a983c619
1421875642d
15134035911
hexba09c379

3121202041 has 4 divisors (see below), whose sum is σ = 3148823412. Its totient is φ = 3093580672.

The previous prime is 3121202027. The next prime is 3121202059. The reversal of 3121202041 is 1402021213.

3121202041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 930494016 + 2190708025 = 30504^2 + 46805^2 .

It is a cyclic number.

It is not a de Polignac number, because 3121202041 - 25 = 3121202009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121202141) 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, 13810516 + ... + 13810741.

It is an arithmetic number, because the mean of its divisors is an integer number (787205853).

Almost surely, 23121202041 is an apocalyptic number.

It is an amenable number.

3121202041 is a deficient number, since it is larger than the sum of its proper divisors (27621371).

3121202041 is a wasteful number, since it uses less digits than its factorization.

3121202041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27621370.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3121202041 is about 55867.7191318923. The cubic root of 3121202041 is about 1461.4163463621.

Adding to 3121202041 its reverse (1402021213), we get a palindrome (4523223254).

The spelling of 3121202041 in words is "three billion, one hundred twenty-one million, two hundred two thousand, forty-one".

Divisors: 1 113 27621257 3121202041