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10130402021 is a prime number
BaseRepresentation
bin10010110111101000…
…11010101011100101
3222011000010202001212
421123310122223211
5131221340331041
64353121401205
7506016665525
oct113364325345
928130122055
1010130402021
114329390a83
121b68799205
13c55a16c2c
146c15c9685
153e456a8eb
hex25bd1aae5

10130402021 has 2 divisors, whose sum is σ = 10130402022. Its totient is φ = 10130402020.

The previous prime is 10130401999. The next prime is 10130402027. The reversal of 10130402021 is 12020403101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7311960100 + 2818441921 = 85510^2 + 53089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10130402021 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10130401987 and 10130402005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10130402027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065201010 + 5065201011.

It is an arithmetic number, because the mean of its divisors is an integer number (5065201011).

Almost surely, 210130402021 is an apocalyptic number.

It is an amenable number.

10130402021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10130402021 is an equidigital number, since it uses as much as digits as its factorization.

10130402021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10130402021 its reverse (12020403101), we get a palindrome (22150805122).

The spelling of 10130402021 in words is "ten billion, one hundred thirty million, four hundred two thousand, twenty-one".