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10420337857 is a prime number
BaseRepresentation
bin10011011010001100…
…11011110011000001
3222220012201000021011
421231012123303001
5132320101302412
64442000000521
7516140260516
oct115506336301
928805630234
1010420337857
114468011076
122029900141
13ca0accbb7
1470bcdd30d
1540ec3c7a7
hex26d19bcc1

10420337857 has 2 divisors, whose sum is σ = 10420337858. Its totient is φ = 10420337856.

The previous prime is 10420337819. The next prime is 10420337909. The reversal of 10420337857 is 75873302401.

It is a happy number.

10420337857 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., 9557799696 + 862538161 = 97764^2 + 29369^2 .

It is a cyclic number.

It is not a de Polignac number, because 10420337857 - 27 = 10420337729 is a prime.

It is not a weakly prime, because it can be changed into another prime (10420338857) 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, 5210168928 + 5210168929.

It is an arithmetic number, because the mean of its divisors is an integer number (5210168929).

Almost surely, 210420337857 is an apocalyptic number.

It is an amenable number.

10420337857 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420337857 is an equidigital number, since it uses as much as digits as its factorization.

10420337857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 10420337857 in words is "ten billion, four hundred twenty million, three hundred thirty-seven thousand, eight hundred fifty-seven".