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206083455091 is a prime number
BaseRepresentation
bin1011111111101110000…
…1111111100001110011
3201200221022101020000221
42333323201333201303
511334024331030331
6234401243353511
720613640315453
oct2777341774163
9650838336027
10206083455091
117a443813038
1233b34b22897
1316583787b47
149d90015d63
155562594711
hex2ffb87f873

206083455091 has 2 divisors, whose sum is σ = 206083455092. Its totient is φ = 206083455090.

The previous prime is 206083455047. The next prime is 206083455101. The reversal of 206083455091 is 190554380602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206083455091 - 27 = 206083454963 is a prime.

It is not a weakly prime, because it can be changed into another prime (206083459091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103041727545 + 103041727546.

It is an arithmetic number, because the mean of its divisors is an integer number (103041727546).

Almost surely, 2206083455091 is an apocalyptic number.

206083455091 is a deficient number, since it is larger than the sum of its proper divisors (1).

206083455091 is an equidigital number, since it uses as much as digits as its factorization.

206083455091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 206083455091 in words is "two hundred six billion, eighty-three million, four hundred fifty-five thousand, ninety-one".