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2144542613 is a prime number
BaseRepresentation
bin111111111010011…
…0001111110010101
312112110100001102012
41333310301332111
513343000330423
6552444554005
7104100211553
oct17764617625
95473301365
102144542613
11a005a1674
124ba252905
132823b5235
14164b62bd3
15c8415078
hex7fd31f95

2144542613 has 2 divisors, whose sum is σ = 2144542614. Its totient is φ = 2144542612.

The previous prime is 2144542579. The next prime is 2144542643. The reversal of 2144542613 is 3162454412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1303426609 + 841116004 = 36103^2 + 29002^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144542613 - 26 = 2144542549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2144542613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144542643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072271306 + 1072271307.

It is an arithmetic number, because the mean of its divisors is an integer number (1072271307).

Almost surely, 22144542613 is an apocalyptic number.

It is an amenable number.

2144542613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144542613 is an equidigital number, since it uses as much as digits as its factorization.

2144542613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 32.

The square root of 2144542613 is about 46309.2065684568. The cubic root of 2144542613 is about 1289.5699171205.

The spelling of 2144542613 in words is "two billion, one hundred forty-four million, five hundred forty-two thousand, six hundred thirteen".