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2142966829 is a prime number
BaseRepresentation
bin111111110111011…
…0001010000101101
312112100100222211211
41333232301100231
513342044414304
6552351114421
7104050626463
oct17756612055
95470328754
102142966829
119aa715773
124b9812a11
13281c82c13
14164872833
15c8203204
hex7fbb142d

2142966829 has 2 divisors, whose sum is σ = 2142966830. Its totient is φ = 2142966828.

The previous prime is 2142966821. The next prime is 2142966913. The reversal of 2142966829 is 9286692412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1583880804 + 559086025 = 39798^2 + 23645^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142966829 - 23 = 2142966821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142966821) 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, 1071483414 + 1071483415.

It is an arithmetic number, because the mean of its divisors is an integer number (1071483415).

Almost surely, 22142966829 is an apocalyptic number.

It is an amenable number.

2142966829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142966829 is an equidigital number, since it uses as much as digits as its factorization.

2142966829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 49.

The square root of 2142966829 is about 46292.1897192172. The cubic root of 2142966829 is about 1289.2539862626.

The spelling of 2142966829 in words is "two billion, one hundred forty-two million, nine hundred sixty-six thousand, eight hundred twenty-nine".