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9954983893 is a prime number
BaseRepresentation
bin10010100010101110…
…01111111111010101
3221200210001120122011
421101113033333111
5130341433441033
64323453504221
7501456652441
oct112127177725
927623046564
109954983893
114249368818
121b19aa2071
13c2858871a
146a61a5821
153d3e69ccd
hex2515cffd5

9954983893 has 2 divisors, whose sum is σ = 9954983894. Its totient is φ = 9954983892.

The previous prime is 9954983881. The next prime is 9954983917. The reversal of 9954983893 is 3983894599.

9954983893 is digitally balanced in base 3, 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., 7396344004 + 2558639889 = 86002^2 + 50583^2 .

It is a cyclic number.

It is not a de Polignac number, because 9954983893 - 225 = 9921429461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9954983813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4977491946 + 4977491947.

It is an arithmetic number, because the mean of its divisors is an integer number (4977491947).

Almost surely, 29954983893 is an apocalyptic number.

It is an amenable number.

9954983893 is a deficient number, since it is larger than the sum of its proper divisors (1).

9954983893 is an equidigital number, since it uses as much as digits as its factorization.

9954983893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75582720, while the sum is 67.

The square root of 9954983893 is about 99774.6655870116. The cubic root of 9954983893 is about 2151.1970181638.

The spelling of 9954983893 in words is "nine billion, nine hundred fifty-four million, nine hundred eighty-three thousand, eight hundred ninety-three".