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47913477049 is a prime number
BaseRepresentation
bin101100100111110111…
…011010001110111001
311120200011122211020001
4230213313122032321
51241111322231144
634002224033001
73314224556314
oct544767321671
9146604584201
1047913477049
11193579aa519
129352162761
1346976c0269
14246759197b
1513a65e0bd4
hexb27dda3b9

47913477049 has 2 divisors, whose sum is σ = 47913477050. Its totient is φ = 47913477048.

The previous prime is 47913477047. The next prime is 47913477089. The reversal of 47913477049 is 94077431974.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31957997824 + 15955479225 = 178768^2 + 126315^2 .

It is a cyclic number.

It is not a de Polignac number, because 47913477049 - 21 = 47913477047 is a prime.

Together with 47913477047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47913477047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23956738524 + 23956738525.

It is an arithmetic number, because the mean of its divisors is an integer number (23956738525).

Almost surely, 247913477049 is an apocalyptic number.

It is an amenable number.

47913477049 is a deficient number, since it is larger than the sum of its proper divisors (1).

47913477049 is an equidigital number, since it uses as much as digits as its factorization.

47913477049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 55.

The spelling of 47913477049 in words is "forty-seven billion, nine hundred thirteen million, four hundred seventy-seven thousand, forty-nine".