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38415424213 is a prime number
BaseRepresentation
bin100011110001101111…
…001101101011010101
310200011020101202011101
4203301233031223111
51112133322033323
625351531510101
72526653501215
oct436157155325
9120136352141
1038415424213
1115323561881
1275412b8331
1338129ba25a
141c05d70245
15eec832dad
hex8f1bcdad5

38415424213 has 2 divisors, whose sum is σ = 38415424214. Its totient is φ = 38415424212.

The previous prime is 38415424199. The next prime is 38415424241. The reversal of 38415424213 is 31242451483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35750490084 + 2664934129 = 189078^2 + 51623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38415424213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38415424283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19207712106 + 19207712107.

It is an arithmetic number, because the mean of its divisors is an integer number (19207712107).

Almost surely, 238415424213 is an apocalyptic number.

It is an amenable number.

38415424213 is a deficient number, since it is larger than the sum of its proper divisors (1).

38415424213 is an equidigital number, since it uses as much as digits as its factorization.

38415424213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 37.

Adding to 38415424213 its reverse (31242451483), we get a palindrome (69657875696).

The spelling of 38415424213 in words is "thirty-eight billion, four hundred fifteen million, four hundred twenty-four thousand, two hundred thirteen".