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10040143081 is a prime number
BaseRepresentation
bin10010101100111000…
…00110110011101001
3221220201022010002011
421112130012303221
5131030234034311
64340135035521
7503542544113
oct112634066351
927821263064
1010040143081
114292443111
121b4250bba1
13c40104187
146b36123b3
153db68c321
hex256706ce9

10040143081 has 2 divisors, whose sum is σ = 10040143082. Its totient is φ = 10040143080.

The previous prime is 10040143079. The next prime is 10040143117. The reversal of 10040143081 is 18034104001.

10040143081 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., 8794688400 + 1245454681 = 93780^2 + 35291^2 .

It is an emirp because it is prime and its reverse (18034104001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10040143081 - 21 = 10040143079 is a prime.

It is a super-2 number, since 2×100401430812 (a number of 21 digits) contains 22 as substring.

Together with 10040143079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10040143481) 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, 5020071540 + 5020071541.

It is an arithmetic number, because the mean of its divisors is an integer number (5020071541).

Almost surely, 210040143081 is an apocalyptic number.

It is an amenable number.

10040143081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10040143081 is an equidigital number, since it uses as much as digits as its factorization.

10040143081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 10040143081 its reverse (18034104001), we get a palindrome (28074247082).

The spelling of 10040143081 in words is "ten billion, forty million, one hundred forty-three thousand, eighty-one".