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10030311989 is a prime number
BaseRepresentation
bin10010101011101101…
…00110101000110101
3221220000210122100122
421111312212220311
5131020224440424
64335144221325
7503363150045
oct112566465065
927800718318
1010030311989
114287938945
121b3b16a845
13c3b071469
146b21b3725
153da89945e
hex255da6a35

10030311989 has 2 divisors, whose sum is σ = 10030311990. Its totient is φ = 10030311988.

The previous prime is 10030311979. The next prime is 10030311997. The reversal of 10030311989 is 98911303001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7995399889 + 2034912100 = 89417^2 + 45110^2 .

It is a cyclic number.

It is not a de Polignac number, because 10030311989 - 212 = 10030307893 is a prime.

It is a super-2 number, since 2×100303119892 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10030311979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015155994 + 5015155995.

It is an arithmetic number, because the mean of its divisors is an integer number (5015155995).

Almost surely, 210030311989 is an apocalyptic number.

It is an amenable number.

10030311989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10030311989 is an equidigital number, since it uses as much as digits as its factorization.

10030311989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 10030311989 in words is "ten billion, thirty million, three hundred eleven thousand, nine hundred eighty-nine".