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1057093811 = 3743664421
BaseRepresentation
bin111111000000011…
…111100010110011
32201200002221002122
4333000133202303
54131104000221
6252521104455
735124102104
oct7700374263
92650087078
101057093811
114a277a254
1225602812b
1313b00a3c7
14a05703ab
1562c0ceab
hex3f01f8b3

1057093811 has 8 divisors (see below), whose sum is σ = 1110913584. Its totient is φ = 1004603040.

The previous prime is 1057093799. The next prime is 1057093879. The reversal of 1057093811 is 1183907501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1057093811 is a prime.

It is a super-2 number, since 2×10570938112 = 2234894650509007442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057093111) 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 in 7 ways as a sum of consecutive naturals, for example, 330620 + ... + 333801.

It is an arithmetic number, because the mean of its divisors is an integer number (138864198).

Almost surely, 21057093811 is an apocalyptic number.

1057093811 is a deficient number, since it is larger than the sum of its proper divisors (53819773).

1057093811 is an equidigital number, since it uses as much as digits as its factorization.

1057093811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664501.

The product of its (nonzero) digits is 7560, while the sum is 35.

The square root of 1057093811 is about 32512.9791160392. The cubic root of 1057093811 is about 1018.6801495461.

The spelling of 1057093811 in words is "one billion, fifty-seven million, ninety-three thousand, eight hundred eleven".

Divisors: 1 37 43 1591 664421 24583577 28570103 1057093811