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140203801 is a prime number
BaseRepresentation
bin10000101101101…
…01011100011001
3100202211002110101
420112311130121
5241343010201
621525015401
73321466303
oct1026653431
9322732411
10140203801
1172161211
123ab54561
132307c03a
1414898973
15c496d01
hex85b5719

140203801 has 2 divisors, whose sum is σ = 140203802. Its totient is φ = 140203800.

The previous prime is 140203799. The next prime is 140203807. The reversal of 140203801 is 108302041.

140203801 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., 139712400 + 491401 = 11820^2 + 701^2 .

It is an emirp because it is prime and its reverse (108302041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140203801 - 21 = 140203799 is a prime.

Together with 140203799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (140203807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70101900 + 70101901.

It is an arithmetic number, because the mean of its divisors is an integer number (70101901).

Almost surely, 2140203801 is an apocalyptic number.

It is an amenable number.

140203801 is a deficient number, since it is larger than the sum of its proper divisors (1).

140203801 is an equidigital number, since it uses as much as digits as its factorization.

140203801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 140203801 is about 11840.7685983639. The cubic root of 140203801 is about 519.5012488534.

Adding to 140203801 its reverse (108302041), we get a palindrome (248505842).

The spelling of 140203801 in words is "one hundred forty million, two hundred three thousand, eight hundred one".