Search a number
-
+
7620900317 is a prime number
BaseRepresentation
bin1110001100011110…
…11011010111011101
3201200010001211220022
413012033123113131
5111101422302232
63300114201525
7356565404162
oct70617332735
921603054808
107620900317
113260888228
1215882832a5
13945b3b994
145241c4069
152e90b4812
hex1c63db5dd

7620900317 has 2 divisors, whose sum is σ = 7620900318. Its totient is φ = 7620900316.

The previous prime is 7620900311. The next prime is 7620900337. The reversal of 7620900317 is 7130090267.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7126905241 + 493995076 = 84421^2 + 22226^2 .

It is a cyclic number.

It is not a de Polignac number, because 7620900317 - 28 = 7620900061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7620900311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3810450158 + 3810450159.

It is an arithmetic number, because the mean of its divisors is an integer number (3810450159).

Almost surely, 27620900317 is an apocalyptic number.

It is an amenable number.

7620900317 is a deficient number, since it is larger than the sum of its proper divisors (1).

7620900317 is an equidigital number, since it uses as much as digits as its factorization.

7620900317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 7620900317 is about 87297.7681100726. The cubic root of 7620900317 is about 1967.8957766050.

The spelling of 7620900317 in words is "seven billion, six hundred twenty million, nine hundred thousand, three hundred seventeen".