Search a number
-
+
10042420279 is a prime number
BaseRepresentation
bin10010101101001001…
…10010110000110111
3221220212120210210211
421112210302300313
5131031324422104
64340255530251
7503601110143
oct112644626067
927825523724
1010042420279
114293758aa1
121b43229987
13c40720828
146b3a46223
153db98be04
hex256932c37

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".