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47816494751 is a prime number
BaseRepresentation
bin101100100010000101…
…011100111010011111
311120102102011121112002
4230202011130322133
51240412010313001
633544441232515
73311636333144
oct544205347237
9146372147462
1047816494751
111930818a263
12932579273b
13468059519c
1424587483cb
15139cd3546b
hexb2215ce9f

47816494751 has 2 divisors, whose sum is σ = 47816494752. Its totient is φ = 47816494750.

The previous prime is 47816494553. The next prime is 47816494783. The reversal of 47816494751 is 15749461874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47816494751 - 210 = 47816493727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47816494051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23908247375 + 23908247376.

It is an arithmetic number, because the mean of its divisors is an integer number (23908247376).

Almost surely, 247816494751 is an apocalyptic number.

47816494751 is a deficient number, since it is larger than the sum of its proper divisors (1).

47816494751 is an equidigital number, since it uses as much as digits as its factorization.

47816494751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 56.

The spelling of 47816494751 in words is "forty-seven billion, eight hundred sixteen million, four hundred ninety-four thousand, seven hundred fifty-one".