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2042420041 is a prime number
BaseRepresentation
bin111100110111100…
…1101101101001001
312021100011200120201
41321233031231021
513140324420131
6534400052201
7101420166244
oct17157155511
95240150521
102042420041
11958990452
12490004061
132671aa58c
1415537c25b
15be491761
hex79bcdb49

2042420041 has 2 divisors, whose sum is σ = 2042420042. Its totient is φ = 2042420040.

The previous prime is 2042420021. The next prime is 2042420057. The reversal of 2042420041 is 1400242402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1795301641 + 247118400 = 42371^2 + 15720^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042420041 - 27 = 2042419913 is a prime.

It is not a weakly prime, because it can be changed into another prime (2042420011) 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, 1021210020 + 1021210021.

It is an arithmetic number, because the mean of its divisors is an integer number (1021210021).

Almost surely, 22042420041 is an apocalyptic number.

It is an amenable number.

2042420041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042420041 is an equidigital number, since it uses as much as digits as its factorization.

2042420041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2042420041 is about 45193.1415261210. The cubic root of 2042420041 is about 1268.7664549266.

Adding to 2042420041 its reverse (1400242402), we get a palindrome (3442662443).

The spelling of 2042420041 in words is "two billion, forty-two million, four hundred twenty thousand, forty-one".