Search a number
-
+
58678148281 is a prime number
BaseRepresentation
bin110110101001011111…
…010111110010111001
312121110101021210002011
4312221133113302321
51430133101221111
642542324205521
74145046013414
oct665137276271
9177411253064
1058678148281
1122981315325
12b4572398a1
1356c1940ccc
142ba90c4b7b
1517d6698021
hexda97d7cb9

58678148281 has 2 divisors, whose sum is σ = 58678148282. Its totient is φ = 58678148280.

The previous prime is 58678148261. The next prime is 58678148299. The reversal of 58678148281 is 18284187685.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56489405625 + 2188742656 = 237675^2 + 46784^2 .

It is a cyclic number.

It is not a de Polignac number, because 58678148281 - 29 = 58678147769 is a prime.

It is a super-4 number, since 4×586781482814 (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (58678148231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29339074140 + 29339074141.

It is an arithmetic number, because the mean of its divisors is an integer number (29339074141).

Almost surely, 258678148281 is an apocalyptic number.

It is an amenable number.

58678148281 is a deficient number, since it is larger than the sum of its proper divisors (1).

58678148281 is an equidigital number, since it uses as much as digits as its factorization.

58678148281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6881280, while the sum is 58.

The spelling of 58678148281 in words is "fifty-eight billion, six hundred seventy-eight million, one hundred forty-eight thousand, two hundred eighty-one".