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47306290261 is a prime number
BaseRepresentation
bin101100000011101011…
…001011010001010101
311112002212010112112111
4230003223023101111
51233340402242021
633422053551021
73263202555406
oct540353132125
9145085115474
1047306290261
111907619305a
129202945471
1345cb979439
14240aa979ad
15136d1538e1
hexb03acb455

47306290261 has 2 divisors, whose sum is σ = 47306290262. Its totient is φ = 47306290260.

The previous prime is 47306290249. The next prime is 47306290271. The reversal of 47306290261 is 16209260374.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39461822500 + 7844467761 = 198650^2 + 88569^2 .

It is a cyclic number.

It is not a de Polignac number, because 47306290261 - 227 = 47172072533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47306290271) 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, 23653145130 + 23653145131.

It is an arithmetic number, because the mean of its divisors is an integer number (23653145131).

Almost surely, 247306290261 is an apocalyptic number.

It is an amenable number.

47306290261 is a deficient number, since it is larger than the sum of its proper divisors (1).

47306290261 is an equidigital number, since it uses as much as digits as its factorization.

47306290261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 47306290261 in words is "forty-seven billion, three hundred six million, two hundred ninety thousand, two hundred sixty-one".