Search a number
-
+
2101433441 is a prime number
BaseRepresentation
bin111110101000001…
…0101010001100001
312102110012212202012
41331100111101201
513300431332231
6544305002305
7103034614052
oct17520252141
95373185665
102101433441
11989228058
124a7923395
132764a0453
1415d140729
15c474be2b
hex7d415461

2101433441 has 2 divisors, whose sum is σ = 2101433442. Its totient is φ = 2101433440.

The previous prime is 2101433437. The next prime is 2101433443. The reversal of 2101433441 is 1443341012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1202633041 + 898800400 = 34679^2 + 29980^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101433441 - 22 = 2101433437 is a prime.

Together with 2101433443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2101433443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050716720 + 1050716721.

It is an arithmetic number, because the mean of its divisors is an integer number (1050716721).

Almost surely, 22101433441 is an apocalyptic number.

It is an amenable number.

2101433441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101433441 is an equidigital number, since it uses as much as digits as its factorization.

2101433441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2101433441 is about 45841.3944050571. The cubic root of 2101433441 is about 1280.8704693009.

Adding to 2101433441 its reverse (1443341012), we get a palindrome (3544774453).

The spelling of 2101433441 in words is "two billion, one hundred one million, four hundred thirty-three thousand, four hundred forty-one".