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7428671911 is a prime number
BaseRepresentation
bin1101110101100100…
…01000100110100111
3201011201100122002201
412322302020212213
5110203220000121
63225050115331
7352042445413
oct67262104647
921151318081
107428671911
113172323181
121533a1bb47
13915075b6b
14506865d43
152d7292e91
hex1bac889a7

7428671911 has 2 divisors, whose sum is σ = 7428671912. Its totient is φ = 7428671910.

The previous prime is 7428671869. The next prime is 7428671923. The reversal of 7428671911 is 1191768247.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7428671911 - 221 = 7426574759 is a prime.

It is a super-2 number, since 2×74286719112 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7428671941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3714335955 + 3714335956.

It is an arithmetic number, because the mean of its divisors is an integer number (3714335956).

Almost surely, 27428671911 is an apocalyptic number.

7428671911 is a deficient number, since it is larger than the sum of its proper divisors (1).

7428671911 is an equidigital number, since it uses as much as digits as its factorization.

7428671911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 46.

The square root of 7428671911 is about 86189.7436531749. The cubic root of 7428671911 is about 1951.2087102781.

The spelling of 7428671911 in words is "seven billion, four hundred twenty-eight million, six hundred seventy-one thousand, nine hundred eleven".