Search a number
-
+
61055046971 is a prime number
BaseRepresentation
bin111000110111001010…
…100001010100111011
312211121000211202002222
4320313022201110323
52000020043000341
644014233314255
74261000223252
oct706712412473
9184530752088
1061055046971
1123990a89506
12b9bb26598b
1359b01cba39
142d52a4d799
1518c51a944b
hexe372a153b

61055046971 has 2 divisors, whose sum is σ = 61055046972. Its totient is φ = 61055046970.

The previous prime is 61055046929. The next prime is 61055046979. The reversal of 61055046971 is 17964055016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61055046971 - 230 = 59981305147 is a prime.

It is not a weakly prime, because it can be changed into another prime (61055046979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30527523485 + 30527523486.

It is an arithmetic number, because the mean of its divisors is an integer number (30527523486).

Almost surely, 261055046971 is an apocalyptic number.

61055046971 is a deficient number, since it is larger than the sum of its proper divisors (1).

61055046971 is an equidigital number, since it uses as much as digits as its factorization.

61055046971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 61055046971 in words is "sixty-one billion, fifty-five million, forty-six thousand, nine hundred seventy-one".