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1400204101 is a prime number
BaseRepresentation
bin101001101110101…
…0110101101000101
310121120201201221011
41103131112231011
510331423012401
6350535122221
746461352462
oct12335265505
93546651834
101400204101
1165941907a
12330b13371
1319412064a
14d3d66669
1582dd5451
hex53756b45

1400204101 has 2 divisors, whose sum is σ = 1400204102. Its totient is φ = 1400204100.

The previous prime is 1400204089. The next prime is 1400204147. The reversal of 1400204101 is 1014020041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 927141601 + 473062500 = 30449^2 + 21750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1400204101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400244101) 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, 700102050 + 700102051.

It is an arithmetic number, because the mean of its divisors is an integer number (700102051).

Almost surely, 21400204101 is an apocalyptic number.

It is an amenable number.

1400204101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400204101 is an equidigital number, since it uses as much as digits as its factorization.

1400204101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1400204101 is about 37419.3011826784. The cubic root of 1400204101 is about 1118.7433026617.

Adding to 1400204101 its reverse (1014020041), we get a palindrome (2414224142).

The spelling of 1400204101 in words is "one billion, four hundred million, two hundred four thousand, one hundred one".