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47470287149 is a prime number
BaseRepresentation
bin101100001101011100…
…110001100100101101
311112112021201102222022
4230031130301210231
51234204343142044
633450232555525
73300233532425
oct541534614455
9145467642868
1047470287149
111914a81537a
129249852ba5
13462693920c
142424787485
15137c74a3ee
hexb0d73192d

47470287149 has 2 divisors, whose sum is σ = 47470287150. Its totient is φ = 47470287148.

The previous prime is 47470287113. The next prime is 47470287283. The reversal of 47470287149 is 94178207474.

47470287149 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., 45815262025 + 1655025124 = 214045^2 + 40682^2 .

It is a cyclic number.

It is not a de Polignac number, because 47470287149 - 220 = 47469238573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47470287149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47470281149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23735143574 + 23735143575.

It is an arithmetic number, because the mean of its divisors is an integer number (23735143575).

Almost surely, 247470287149 is an apocalyptic number.

It is an amenable number.

47470287149 is a deficient number, since it is larger than the sum of its proper divisors (1).

47470287149 is an equidigital number, since it uses as much as digits as its factorization.

47470287149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3161088, while the sum is 53.

The spelling of 47470287149 in words is "forty-seven billion, four hundred seventy million, two hundred eighty-seven thousand, one hundred forty-nine".