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2002012241 is a prime number
BaseRepresentation
bin111011101010100…
…0100100001010001
312011112010202111112
41313111010201101
513100003342431
6530354023105
7100416552245
oct16725044121
95145122445
102002012241
119380a1479
1247a577a95
1325ba00238
1414dc60425
15bab5dc2b
hex77544851

2002012241 has 2 divisors, whose sum is σ = 2002012242. Its totient is φ = 2002012240.

The previous prime is 2002012231. The next prime is 2002012261. The reversal of 2002012241 is 1422102002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1958505025 + 43507216 = 44255^2 + 6596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2002012241 is a prime.

It is a super-2 number, since 2×20020122412 = 8016106026227684162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2002012211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001006120 + 1001006121.

It is an arithmetic number, because the mean of its divisors is an integer number (1001006121).

Almost surely, 22002012241 is an apocalyptic number.

It is an amenable number.

2002012241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002012241 is an equidigital number, since it uses as much as digits as its factorization.

2002012241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2002012241 is about 44743.8514323477. The cubic root of 2002012241 is about 1260.3434523962.

Adding to 2002012241 its reverse (1422102002), we get a palindrome (3424114243).

The spelling of 2002012241 in words is "two billion, two million, twelve thousand, two hundred forty-one".