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3942246313 is a prime number
BaseRepresentation
bin1110101011111001…
…1110011110101001
3101011202000212021201
43222332132132221
531033203340223
61451104004201
7166456353325
oct35276363651
911152025251
103942246313
111743328005
12920300661
134aa980035
142957dc985
15181167ead
hexeaf9e7a9

3942246313 has 2 divisors, whose sum is σ = 3942246314. Its totient is φ = 3942246312.

The previous prime is 3942246271. The next prime is 3942246349. The reversal of 3942246313 is 3136422493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3101710249 + 840536064 = 55693^2 + 28992^2 .

It is an emirp because it is prime and its reverse (3136422493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3942246313 - 213 = 3942238121 is a prime.

It is a super-3 number, since 3×39422463133 (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (3942246353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971123156 + 1971123157.

It is an arithmetic number, because the mean of its divisors is an integer number (1971123157).

Almost surely, 23942246313 is an apocalyptic number.

It is an amenable number.

3942246313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3942246313 is an equidigital number, since it uses as much as digits as its factorization.

3942246313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 37.

The square root of 3942246313 is about 62787.3101271268. The cubic root of 3942246313 is about 1579.7241297183.

The spelling of 3942246313 in words is "three billion, nine hundred forty-two million, two hundred forty-six thousand, three hundred thirteen".