Search a number
-
+
61092851429 is a prime number
BaseRepresentation
bin111000111001011010…
…101110111011100101
312211200122222102002002
4320321122232323211
52000104232221204
644022103455045
74261636445321
oct707132567345
9184618872062
1061092851429
1123a0035a565
12ba0ba57485
1359b7ca713c
142d57a90981
1518c867591e
hexe396aeee5

61092851429 has 2 divisors, whose sum is σ = 61092851430. Its totient is φ = 61092851428.

The previous prime is 61092851327. The next prime is 61092851461. The reversal of 61092851429 is 92415829016.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59669298529 + 1423552900 = 244273^2 + 37730^2 .

It is a cyclic number.

It is not a de Polignac number, because 61092851429 - 28 = 61092851173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61092851489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30546425714 + 30546425715.

It is an arithmetic number, because the mean of its divisors is an integer number (30546425715).

Almost surely, 261092851429 is an apocalyptic number.

It is an amenable number.

61092851429 is a deficient number, since it is larger than the sum of its proper divisors (1).

61092851429 is an equidigital number, since it uses as much as digits as its factorization.

61092851429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 61092851429 in words is "sixty-one billion, ninety-two million, eight hundred fifty-one thousand, four hundred twenty-nine".