Base | Representation |
---|---|
bin | 10010101101001001… |
… | …10010110000110111 |
3 | 221220212120210210211 |
4 | 21112210302300313 |
5 | 131031324422104 |
6 | 4340255530251 |
7 | 503601110143 |
oct | 112644626067 |
9 | 27825523724 |
10 | 10042420279 |
11 | 4293758aa1 |
12 | 1b43229987 |
13 | c40720828 |
14 | 6b3a46223 |
15 | 3db98be04 |
hex | 256932c37 |
10042420279 has 2 divisors, whose sum is σ = 10042420280. Its totient is φ = 10042420278.
The previous prime is 10042420261. The next prime is 10042420331. The reversal of 10042420279 is 97202424001.
10042420279 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 is an emirp because it is prime and its reverse (97202424001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10042420279 - 29 = 10042419767 is a prime.
It is a super-3 number, since 3×100424202793 (a number of 31 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 10042420279.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10042420579) 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, 5021210139 + 5021210140.
It is an arithmetic number, because the mean of its divisors is an integer number (5021210140).
Almost surely, 210042420279 is an apocalyptic number.
10042420279 is a deficient number, since it is larger than the sum of its proper divisors (1).
10042420279 is an equidigital number, since it uses as much as digits as its factorization.
10042420279 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8064, while the sum is 31.
The spelling of 10042420279 in words is "ten billion, forty-two million, four hundred twenty thousand, two hundred seventy-nine".
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