Search a number
-
+
8072215093 is a prime number
BaseRepresentation
bin1111000010010010…
…00011101000110101
3202211120022000101101
413201021003220311
5113012441340333
63412555330101
7404015460535
oct74111035065
922746260341
108072215093
113472611748
121693450931
139b84a8c47
145681054c5
15323a1267d
hex1e1243a35

8072215093 has 2 divisors, whose sum is σ = 8072215094. Its totient is φ = 8072215092.

The previous prime is 8072215061. The next prime is 8072215103. The reversal of 8072215093 is 3905122708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7960743729 + 111471364 = 89223^2 + 10558^2 .

It is a cyclic number.

It is not a de Polignac number, because 8072215093 - 25 = 8072215061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8072215693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4036107546 + 4036107547.

It is an arithmetic number, because the mean of its divisors is an integer number (4036107547).

Almost surely, 28072215093 is an apocalyptic number.

It is an amenable number.

8072215093 is a deficient number, since it is larger than the sum of its proper divisors (1).

8072215093 is an equidigital number, since it uses as much as digits as its factorization.

8072215093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 8072215093 is about 89845.5068047368. The cubic root of 8072215093 is about 2005.9999069756. Note that the first 4 decimals are identical.

The spelling of 8072215093 in words is "eight billion, seventy-two million, two hundred fifteen thousand, ninety-three".