Search a number
-
+
67920783097 is a prime number
BaseRepresentation
bin111111010000011001…
…001110011011111001
320111022111221021111011
4333100121032123321
52103100210024342
651111414033521
74623066062536
oct772031163371
9214274837434
1067920783097
11268945696a2
12111b66488a1
1365357554ab
143404819d8d
151b77d01717
hexfd064e6f9

67920783097 has 2 divisors, whose sum is σ = 67920783098. Its totient is φ = 67920783096.

The previous prime is 67920783089. The next prime is 67920783109. The reversal of 67920783097 is 79038702976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67573482601 + 347300496 = 259949^2 + 18636^2 .

It is a cyclic number.

It is not a de Polignac number, because 67920783097 - 23 = 67920783089 is a prime.

It is a super-2 number, since 2×679207830972 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67920783017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33960391548 + 33960391549.

It is an arithmetic number, because the mean of its divisors is an integer number (33960391549).

Almost surely, 267920783097 is an apocalyptic number.

It is an amenable number.

67920783097 is a deficient number, since it is larger than the sum of its proper divisors (1).

67920783097 is an equidigital number, since it uses as much as digits as its factorization.

67920783097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8001504, while the sum is 58.

The spelling of 67920783097 in words is "sixty-seven billion, nine hundred twenty million, seven hundred eighty-three thousand, ninety-seven".