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47142000649 is a prime number
BaseRepresentation
bin101011111001111000…
…011101100000001001
311111200101222202120001
4223321320131200021
51233021323010044
633353504403001
73256136252062
oct537170354011
9144611882501
1047142000649
1118aa1480917
129177916461
1345a3916353
1423d2d2d569
15135da002d4
hexaf9e1d809

47142000649 has 2 divisors, whose sum is σ = 47142000650. Its totient is φ = 47142000648.

The previous prime is 47142000617. The next prime is 47142000691. The reversal of 47142000649 is 94600024174.

It is a happy number.

47142000649 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., 23572075024 + 23569925625 = 153532^2 + 153525^2 .

It is a cyclic number.

It is not a de Polignac number, because 47142000649 - 25 = 47142000617 is a prime.

It is not a weakly prime, because it can be changed into another prime (47142000149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23571000324 + 23571000325.

It is an arithmetic number, because the mean of its divisors is an integer number (23571000325).

Almost surely, 247142000649 is an apocalyptic number.

It is an amenable number.

47142000649 is a deficient number, since it is larger than the sum of its proper divisors (1).

47142000649 is an equidigital number, since it uses as much as digits as its factorization.

47142000649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 47142000649 in words is "forty-seven billion, one hundred forty-two million, six hundred forty-nine", and thus it is an aban number.