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2030210381 is a prime number
BaseRepresentation
bin111100100000010…
…1000110101001101
312020111012101002002
41321000220311031
513124213213011
6533242242045
7101211334463
oct17100506515
95214171062
102030210381
11952001121
12487ab6325
132647c4024
141538c0833
15bd37dc3b
hex79028d4d

2030210381 has 2 divisors, whose sum is σ = 2030210382. Its totient is φ = 2030210380.

The previous prime is 2030210327. The next prime is 2030210389. The reversal of 2030210381 is 1830120302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1974469225 + 55741156 = 44435^2 + 7466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2030210381 is a prime.

It is a super-2 number, since 2×20302103812 = 8243508382240330322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2030210389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015105190 + 1015105191.

It is an arithmetic number, because the mean of its divisors is an integer number (1015105191).

Almost surely, 22030210381 is an apocalyptic number.

It is an amenable number.

2030210381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030210381 is an equidigital number, since it uses as much as digits as its factorization.

2030210381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2030210381 is about 45057.8559299042. The cubic root of 2030210381 is about 1266.2331564132.

Adding to 2030210381 its reverse (1830120302), we get a palindrome (3860330683).

The spelling of 2030210381 in words is "two billion, thirty million, two hundred ten thousand, three hundred eighty-one".