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80820852685033 is a prime number
BaseRepresentation
bin10010011000000110010010…
…001101101111100011101001
3101121011101202011222220211111
4102120012102031233203221
541043132101241410113
6443520330454230321
723011054033612426
oct2230062215574351
9347141664886744
1080820852685033
112382aa2738882a
1290937580553a1
1336134b2054976
1415d5a70562d4d
1595250877913d
hex49819236f8e9

80820852685033 has 2 divisors, whose sum is σ = 80820852685034. Its totient is φ = 80820852685032.

The previous prime is 80820852685021. The next prime is 80820852685037. The reversal of 80820852685033 is 33058625802808.

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., 64117381772889 + 16703470912144 = 8007333^2 + 4086988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80820852685033 is a prime.

It is a super-2 number, since 2×808208526850332 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80820852685037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40410426342516 + 40410426342517.

It is an arithmetic number, because the mean of its divisors is an integer number (40410426342517).

Almost surely, 280820852685033 is an apocalyptic number.

It is an amenable number.

80820852685033 is a deficient number, since it is larger than the sum of its proper divisors (1).

80820852685033 is an equidigital number, since it uses as much as digits as its factorization.

80820852685033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22118400, while the sum is 58.

The spelling of 80820852685033 in words is "eighty trillion, eight hundred twenty billion, eight hundred fifty-two million, six hundred eighty-five thousand, thirty-three".