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2013203149 is a prime number
BaseRepresentation
bin111011111111111…
…0000101011001101
312012022012022112121
41313333300223031
513110340000044
6531433532541
7100613641636
oct16777605315
95168168477
102013203149
11943445361
12482274151
1326111ab89
1415153488d
15bbb1e984
hex77ff0acd

2013203149 has 2 divisors, whose sum is σ = 2013203150. Its totient is φ = 2013203148.

The previous prime is 2013203119. The next prime is 2013203161. The reversal of 2013203149 is 9413023102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1824827524 + 188375625 = 42718^2 + 13725^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013203149 - 213 = 2013194957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013203119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006601574 + 1006601575.

It is an arithmetic number, because the mean of its divisors is an integer number (1006601575).

Almost surely, 22013203149 is an apocalyptic number.

It is an amenable number.

2013203149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013203149 is an equidigital number, since it uses as much as digits as its factorization.

2013203149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2013203149 is about 44868.7324202501. The cubic root of 2013203149 is about 1262.6874588029.

The spelling of 2013203149 in words is "two billion, thirteen million, two hundred three thousand, one hundred forty-nine".