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10042420361 is a prime number
BaseRepresentation
bin10010101101001001…
…10010110010001001
3221220212120210220212
421112210302302021
5131031324422421
64340255530505
7503601110321
oct112644626211
927825523825
1010042420361
114293759066
121b43229a35
13c4072088c
146b3a46281
153db98be5b
hex256932c89

10042420361 has 2 divisors, whose sum is σ = 10042420362. Its totient is φ = 10042420360.

The previous prime is 10042420331. The next prime is 10042420363. The reversal of 10042420361 is 16302424001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9475075600 + 567344761 = 97340^2 + 23819^2 .

It is a cyclic number.

It is not a de Polignac number, because 10042420361 - 222 = 10038226057 is a prime.

Together with 10042420363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10042420363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5021210180 + 5021210181.

It is an arithmetic number, because the mean of its divisors is an integer number (5021210181).

Almost surely, 210042420361 is an apocalyptic number.

It is an amenable number.

10042420361 is a deficient number, since it is larger than the sum of its proper divisors (1).

10042420361 is an equidigital number, since it uses as much as digits as its factorization.

10042420361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 10042420361 its reverse (16302424001), we get a palindrome (26344844362).

The spelling of 10042420361 in words is "ten billion, forty-two million, four hundred twenty thousand, three hundred sixty-one".