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42012653 is a prime number
BaseRepresentation
bin1010000001000…
…0111111101101
32221001110112012
42200100333231
541223401103
64100251005
71020046604
oct240207755
987043465
1042012653
1121795801
12120a0a65
13891c977
145818a3b
153a4d2d8
hex2810fed

42012653 has 2 divisors, whose sum is σ = 42012654. Its totient is φ = 42012652.

The previous prime is 42012647. The next prime is 42012671. The reversal of 42012653 is 35621024.

42012653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34597924 + 7414729 = 5882^2 + 2723^2 .

It is a cyclic number.

It is not a de Polignac number, because 42012653 - 24 = 42012637 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42012683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21006326 + 21006327.

It is an arithmetic number, because the mean of its divisors is an integer number (21006327).

Almost surely, 242012653 is an apocalyptic number.

It is an amenable number.

42012653 is a deficient number, since it is larger than the sum of its proper divisors (1).

42012653 is an equidigital number, since it uses as much as digits as its factorization.

42012653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 42012653 is about 6481.7168250395. The cubic root of 42012653 is about 347.6375674642.

Adding to 42012653 its reverse (35621024), we get a palindrome (77633677).

The spelling of 42012653 in words is "forty-two million, twelve thousand, six hundred fifty-three".