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BaseRepresentation
bin1101111100100000001110…
…11001011100111110010111
311000120122210112211222222211
412332100013121130332113
513004413324243344411
6145115504203534251
76313362535201465
oct676200731347627
9130518715758884
1030666190606231
119853505149804
12353339122a387
131415a6a23b03b
1478037434b835
hex1be40765cf97

30666190606231 has 2 divisors, whose sum is σ = 30666190606232. Its totient is φ = 30666190606230.

The previous prime is 30666190606217. The next prime is 30666190606291. The reversal of 30666190606231 is 13260609166603.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30666190606231 - 29 = 30666190605719 is a prime.

It is a super-2 number, since 2×306661906062312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30666190606211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15333095303115 + 15333095303116.

It is an arithmetic number, because the mean of its divisors is an integer number (15333095303116).

Almost surely, 230666190606231 is an apocalyptic number.

30666190606231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30666190606231 is an equidigital number, since it uses as much as digits as its factorization.

30666190606231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 49.

The spelling of 30666190606231 in words is "thirty trillion, six hundred sixty-six billion, one hundred ninety million, six hundred six thousand, two hundred thirty-one".