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8930178028069 is a prime number
BaseRepresentation
bin1000000111110011100000…
…0101101101001000100101
31011121201100110110011001221
42001330320011231020211
52132303001033344234
630554244523220341
71611120064542004
oct201747005551045
934551313404057
108930178028069
1129332a37621a1
12100288a6776b1
134ca15c5a87bc
1422c3199b2c3b
15107463a34eb4
hex81f3816d225

8930178028069 has 2 divisors, whose sum is σ = 8930178028070. Its totient is φ = 8930178028068.

The previous prime is 8930178028007. The next prime is 8930178028171. The reversal of 8930178028069 is 9608208710398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6573762684225 + 2356415343844 = 2563935^2 + 1535062^2 .

It is a cyclic number.

It is not a de Polignac number, because 8930178028069 - 29 = 8930178027557 is a prime.

It is a super-2 number, since 2×89301780280692 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8930178027998 and 8930178028016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8930178028469) 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, 4465089014034 + 4465089014035.

It is an arithmetic number, because the mean of its divisors is an integer number (4465089014035).

Almost surely, 28930178028069 is an apocalyptic number.

It is an amenable number.

8930178028069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8930178028069 is an equidigital number, since it uses as much as digits as its factorization.

8930178028069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 61.

The spelling of 8930178028069 in words is "eight trillion, nine hundred thirty billion, one hundred seventy-eight million, twenty-eight thousand, sixty-nine".