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10354245221 is a prime number
BaseRepresentation
bin10011010010010100…
…10011111001100101
3222201121100011012202
421221022103321211
5132201141321341
64431235224245
7514405426565
oct115112237145
928647304182
1010354245221
114433779761
12200b748085
13c901cba28
14703216da5
1540903479b
hex269293e65

10354245221 has 2 divisors, whose sum is σ = 10354245222. Its totient is φ = 10354245220.

The previous prime is 10354245211. The next prime is 10354245367. The reversal of 10354245221 is 12254245301.

10354245221 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., 7437165121 + 2917080100 = 86239^2 + 54010^2 .

It is a cyclic number.

It is not a de Polignac number, because 10354245221 - 218 = 10353983077 is a prime.

It is a super-3 number, since 3×103542452213 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10354245211) 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, 5177122610 + 5177122611.

It is an arithmetic number, because the mean of its divisors is an integer number (5177122611).

Almost surely, 210354245221 is an apocalyptic number.

It is an amenable number.

10354245221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10354245221 is an equidigital number, since it uses as much as digits as its factorization.

10354245221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 10354245221 in words is "ten billion, three hundred fifty-four million, two hundred forty-five thousand, two hundred twenty-one".