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3898129229 is a prime number
BaseRepresentation
bin1110100001011000…
…1011101101001101
3101001200000111000122
43220112023231031
530440410113404
61442450234325
7165412360151
oct35026135515
911050014018
103898129229
111720435205
129095859a5
134a17a4557
1428d9d7061
1517c3513be
hexe858bb4d

3898129229 has 2 divisors, whose sum is σ = 3898129230. Its totient is φ = 3898129228.

The previous prime is 3898129201. The next prime is 3898129241. The reversal of 3898129229 is 9229218983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3898129225 + 4 = 62435^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 3898129229 - 28 = 3898128973 is a prime.

It is a super-2 number, since 2×38981292292 = 30390822971968268882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3898129429) 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, 1949064614 + 1949064615.

It is an arithmetic number, because the mean of its divisors is an integer number (1949064615).

Almost surely, 23898129229 is an apocalyptic number.

It is an amenable number.

3898129229 is a deficient number, since it is larger than the sum of its proper divisors (1).

3898129229 is an equidigital number, since it uses as much as digits as its factorization.

3898129229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 53.

The square root of 3898129229 is about 62435.0000320333. Note that the first 4 decimals coincide. The cubic root of 3898129229 is about 1573.8091919747.

The spelling of 3898129229 in words is "three billion, eight hundred ninety-eight million, one hundred twenty-nine thousand, two hundred twenty-nine".