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1055711071 = 2579409349
BaseRepresentation
bin111110111011001…
…101111101011111
32201120111200100001
4332323031331133
54130230223241
6252431315131
735106252562
oct7673157537
92646450301
101055711071
114a1a15398
1225567baa7
1313a944c0c
14a02d04d9
1562a38431
hex3eecdf5f

1055711071 has 4 divisors (see below), whose sum is σ = 1056123000. Its totient is φ = 1055299144.

The previous prime is 1055711023. The next prime is 1055711077. The reversal of 1055711071 is 1701175501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1701175501 = 10316516267.

It is a cyclic number.

It is not a de Polignac number, because 1055711071 - 221 = 1053613919 is a prime.

It is a super-2 number, since 2×10557110712 = 2229051730863934082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055711077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202096 + ... + 207253.

It is an arithmetic number, because the mean of its divisors is an integer number (264030750).

Almost surely, 21055711071 is an apocalyptic number.

1055711071 is a deficient number, since it is larger than the sum of its proper divisors (411929).

1055711071 is an equidigital number, since it uses as much as digits as its factorization.

1055711071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411928.

The product of its (nonzero) digits is 1225, while the sum is 28.

The square root of 1055711071 is about 32491.7077267416. The cubic root of 1055711071 is about 1018.2357915066.

Adding to 1055711071 its reverse (1701175501), we get a palindrome (2756886572).

The spelling of 1055711071 in words is "one billion, fifty-five million, seven hundred eleven thousand, seventy-one".

Divisors: 1 2579 409349 1055711071