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2842745231 is a prime number
BaseRepresentation
bin1010100101110000…
…1101100110001111
321100010010102100102
42221130031212033
521310220321411
61150025521315
7130305635654
oct25134154617
97303112312
102842745231
111229723627
1267404323b
13363c45491
141cd78dc2b
1511987ed3b
hexa970d98f

2842745231 has 2 divisors, whose sum is σ = 2842745232. Its totient is φ = 2842745230.

The previous prime is 2842745197. The next prime is 2842745299. The reversal of 2842745231 is 1325472482.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2842745231 - 230 = 1769003407 is a prime.

It is a super-2 number, since 2×28427452312 = 16162400896746486722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2842745431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1421372615 + 1421372616.

It is an arithmetic number, because the mean of its divisors is an integer number (1421372616).

Almost surely, 22842745231 is an apocalyptic number.

2842745231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2842745231 is an equidigital number, since it uses as much as digits as its factorization.

2842745231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 38.

The square root of 2842745231 is about 53317.4008274972. The cubic root of 2842745231 is about 1416.5958979612.

The spelling of 2842745231 in words is "two billion, eight hundred forty-two million, seven hundred forty-five thousand, two hundred thirty-one".