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1409111213 is a prime number
BaseRepresentation
bin101001111111101…
…0101010010101101
310122012111021012012
41103333111102231
510341213024323
6351454051005
746630150646
oct12377252255
93565437165
101409111213
11663452124
12333aa9a65
13195c1b923
14d52046cd
1583a94678
hex53fd54ad

1409111213 has 2 divisors, whose sum is σ = 1409111214. Its totient is φ = 1409111212.

The previous prime is 1409111203. The next prime is 1409111251. The reversal of 1409111213 is 3121119041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 963605764 + 445505449 = 31042^2 + 21107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1409111213 - 26 = 1409111149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1409111203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704555606 + 704555607.

It is an arithmetic number, because the mean of its divisors is an integer number (704555607).

Almost surely, 21409111213 is an apocalyptic number.

It is an amenable number.

1409111213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1409111213 is an equidigital number, since it uses as much as digits as its factorization.

1409111213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1409111213 is about 37538.1301212514. The cubic root of 1409111213 is about 1121.1105091347.

The spelling of 1409111213 in words is "one billion, four hundred nine million, one hundred eleven thousand, two hundred thirteen".