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3191054729 is a prime number
BaseRepresentation
bin1011111000110011…
…1010000110001001
322020101112101011012
42332030322012021
523013402222404
61244351213305
7142035342362
oct27614720611
98211471135
103191054729
1113982a3715
12750817235
133bb159085
14223b3ab69
1513a232a6e
hexbe33a189

3191054729 has 2 divisors, whose sum is σ = 3191054730. Its totient is φ = 3191054728.

The previous prime is 3191054623. The next prime is 3191054747. The reversal of 3191054729 is 9274501913.

3191054729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1751004025 + 1440050704 = 41845^2 + 37948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3191054729 is a prime.

It is not a weakly prime, because it can be changed into another prime (3191054029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1595527364 + 1595527365.

It is an arithmetic number, because the mean of its divisors is an integer number (1595527365).

Almost surely, 23191054729 is an apocalyptic number.

It is an amenable number.

3191054729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3191054729 is an equidigital number, since it uses as much as digits as its factorization.

3191054729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 3191054729 is about 56489.4213902037. The cubic root of 3191054729 is about 1472.2382071634.

The spelling of 3191054729 in words is "three billion, one hundred ninety-one million, fifty-four thousand, seven hundred twenty-nine".