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2030553409 is a prime number
BaseRepresentation
bin111100100000111…
…1100100101000001
312020111211210121211
41321001330211001
513124310202114
6533253450121
7101214263533
oct17101744501
95214753554
102030553409
11952215915
12488040941
132648b41c1
1415396d853
15bd3ea6c4
hex7907c941

2030553409 has 2 divisors, whose sum is σ = 2030553410. Its totient is φ = 2030553408.

The previous prime is 2030553379. The next prime is 2030553443. The reversal of 2030553409 is 9043550302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2015561025 + 14992384 = 44895^2 + 3872^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030553409 - 211 = 2030551361 is a prime.

It is not a weakly prime, because it can be changed into another prime (2030553809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015276704 + 1015276705.

It is an arithmetic number, because the mean of its divisors is an integer number (1015276705).

Almost surely, 22030553409 is an apocalyptic number.

It is an amenable number.

2030553409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030553409 is an equidigital number, since it uses as much as digits as its factorization.

2030553409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 2030553409 is about 45061.6622973454. The cubic root of 2030553409 is about 1266.3044674081.

The spelling of 2030553409 in words is "two billion, thirty million, five hundred fifty-three thousand, four hundred nine".