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8480707021 is a prime number
BaseRepresentation
bin1111110010111110…
…10101000111001101
3210220000221112222001
413321133111013031
5114332030111041
63521310552301
7420105551233
oct77137250715
923800845861
108480707021
113662157786
121788208691
13a52001847
145a647a953
15349802131
hex1f97d51cd

8480707021 has 2 divisors, whose sum is σ = 8480707022. Its totient is φ = 8480707020.

The previous prime is 8480707013. The next prime is 8480707051. The reversal of 8480707021 is 1207070848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6960564900 + 1520142121 = 83430^2 + 38989^2 .

It is a cyclic number.

It is not a de Polignac number, because 8480707021 - 23 = 8480707013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8480707051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240353510 + 4240353511.

It is an arithmetic number, because the mean of its divisors is an integer number (4240353511).

Almost surely, 28480707021 is an apocalyptic number.

It is an amenable number.

8480707021 is a deficient number, since it is larger than the sum of its proper divisors (1).

8480707021 is an equidigital number, since it uses as much as digits as its factorization.

8480707021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 8480707021 is about 92090.7542644754. The cubic root of 8480707021 is about 2039.2823168290.

Adding to 8480707021 its reverse (1207070848), we get a palindrome (9687777869).

The spelling of 8480707021 in words is "eight billion, four hundred eighty million, seven hundred seven thousand, twenty-one".