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2003017213 is a prime number
BaseRepresentation
bin111011101100011…
…1001110111111101
312011121000211001201
41313120321313331
513100233022323
6530431335501
7100431236221
oct16730716775
95147024051
102003017213
1193871852a
1247a981591
1325bc927b2
14150042781
15bacab8ad
hex77639dfd

2003017213 has 2 divisors, whose sum is σ = 2003017214. Its totient is φ = 2003017212.

The previous prime is 2003017201. The next prime is 2003017223. The reversal of 2003017213 is 3127103002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1176627204 + 826390009 = 34302^2 + 28747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2003017213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003017223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001508606 + 1001508607.

It is an arithmetic number, because the mean of its divisors is an integer number (1001508607).

Almost surely, 22003017213 is an apocalyptic number.

It is an amenable number.

2003017213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003017213 is an equidigital number, since it uses as much as digits as its factorization.

2003017213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 2003017213 is about 44755.0803038046. The cubic root of 2003017213 is about 1260.5543065849.

The spelling of 2003017213 in words is "two billion, three million, seventeen thousand, two hundred thirteen".