[go: up one dir, main page]

Search a number
-
+
2071235669 is a prime number
BaseRepresentation
bin111101101110100…
…1000110001010101
312100100101200012012
41323131020301111
513220214020134
6541305434005
7102220132646
oct17335106125
95310350165
102071235669
11973182018
1249979b905
13270159449
1415911d6cd
15c1c846ce
hex7b748c55

2071235669 has 2 divisors, whose sum is σ = 2071235670. Its totient is φ = 2071235668.

The previous prime is 2071235641. The next prime is 2071235687. The reversal of 2071235669 is 9665321702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1282356100 + 788879569 = 35810^2 + 28087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2071235669 is a prime.

It is a super-2 number, since 2×20712356692 = 8580034393075755122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2071235269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035617834 + 1035617835.

It is an arithmetic number, because the mean of its divisors is an integer number (1035617835).

Almost surely, 22071235669 is an apocalyptic number.

It is an amenable number.

2071235669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071235669 is an equidigital number, since it uses as much as digits as its factorization.

2071235669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 2071235669 is about 45510.8302385267. The cubic root of 2071235669 is about 1274.7054388609.

The spelling of 2071235669 in words is "two billion, seventy-one million, two hundred thirty-five thousand, six hundred sixty-nine".