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2070046081 is a prime number
BaseRepresentation
bin111101101100010…
…0110010110000001
312100021011020101101
41323120212112001
513214412433311
6541224134401
7102204046525
oct17330462601
95307136341
102070046081
1197253a294
12499307401
1326cb30b4c
14158ccdd85
15c1aebec1
hex7b626581

2070046081 has 2 divisors, whose sum is σ = 2070046082. Its totient is φ = 2070046080.

The previous prime is 2070046031. The next prime is 2070046117. The reversal of 2070046081 is 1806400702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1897386481 + 172659600 = 43559^2 + 13140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2070046081 - 227 = 1935828353 is a prime.

It is a super-2 number, since 2×20700460812 = 8570181554926917122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2070046031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035023040 + 1035023041.

It is an arithmetic number, because the mean of its divisors is an integer number (1035023041).

Almost surely, 22070046081 is an apocalyptic number.

It is an amenable number.

2070046081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2070046081 is an equidigital number, since it uses as much as digits as its factorization.

2070046081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2070046081 is about 45497.7590766842. The cubic root of 2070046081 is about 1274.4613551459.

Adding to 2070046081 its reverse (1806400702), we get a palindrome (3876446783).

The spelling of 2070046081 in words is "two billion, seventy million, forty-six thousand, eighty-one".