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682789252861 is a prime number
BaseRepresentation
bin10011110111110010110…
…10010010111011111101
32102021101202102212002201
421323321122102323331
542141323022042421
61241400303151501
7100221103614112
oct11737132227375
92367352385081
10682789252861
11243629807631
12b03b48a5591
134c5048c88b1
1425093646909
1512b63151b91
hex9ef9692efd

682789252861 has 2 divisors, whose sum is σ = 682789252862. Its totient is φ = 682789252860.

The previous prime is 682789252841. The next prime is 682789252889. The reversal of 682789252861 is 168252987286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 672901933636 + 9887319225 = 820306^2 + 99435^2 .

It is a cyclic number.

It is not a de Polignac number, because 682789252861 - 229 = 682252381949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 682789252793 and 682789252802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682789252801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341394626430 + 341394626431.

It is an arithmetic number, because the mean of its divisors is an integer number (341394626431).

Almost surely, 2682789252861 is an apocalyptic number.

It is an amenable number.

682789252861 is a deficient number, since it is larger than the sum of its proper divisors (1).

682789252861 is an equidigital number, since it uses as much as digits as its factorization.

682789252861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46448640, while the sum is 64.

The spelling of 682789252861 in words is "six hundred eighty-two billion, seven hundred eighty-nine million, two hundred fifty-two thousand, eight hundred sixty-one".