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58646198081 is a prime number
BaseRepresentation
bin110110100111100101…
…011111011101000001
312121101011011112122102
4312213211133131001
51430101411314311
642535223320145
74144210313222
oct664745373501
9177334145572
1058646198081
11229652826a9
12b4485b0055
1356b8135473
142ba4b69249
1517d398643b
hexda795f741

58646198081 has 2 divisors, whose sum is σ = 58646198082. Its totient is φ = 58646198080.

The previous prime is 58646198033. The next prime is 58646198099. The reversal of 58646198081 is 18089164685.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41951232400 + 16694965681 = 204820^2 + 129209^2 .

It is a cyclic number.

It is not a de Polignac number, because 58646198081 - 230 = 57572456257 is a prime.

It is a super-2 number, since 2×586461980812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (58646198581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29323099040 + 29323099041.

It is an arithmetic number, because the mean of its divisors is an integer number (29323099041).

Almost surely, 258646198081 is an apocalyptic number.

It is an amenable number.

58646198081 is a deficient number, since it is larger than the sum of its proper divisors (1).

58646198081 is an equidigital number, since it uses as much as digits as its factorization.

58646198081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 56.

The spelling of 58646198081 in words is "fifty-eight billion, six hundred forty-six million, one hundred ninety-eight thousand, eighty-one".