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71055505557011 = 1910199713666539
BaseRepresentation
bin10000001001111111100110…
…001010110000011000010011
3100022120211200100112122022102
4100021333212022300120103
533303133133410311021
6411042240522431015
720652406444602323
oct2011774612603023
9308524610478272
1071055505557011
112070551a523588
127b7704906246b
1330856755503b1
1413791678a1283
158334b411d00b
hex409fe62b0613

71055505557011 has 8 divisors (see below), whose sum is σ = 74795362737600. Its totient is φ = 67315657749480.

The previous prime is 71055505556989. The next prime is 71055505557061. The reversal of 71055505557011 is 11075550555017.

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

It is a cyclic number.

It is not a de Polignac number, because 71055505557011 - 26 = 71055505556947 is a prime.

It is a super-2 number, since 2×710555055570112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71055505557061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17546180 + ... + 21212718.

It is an arithmetic number, because the mean of its divisors is an integer number (9349420342200).

Almost surely, 271055505557011 is an apocalyptic number.

71055505557011 is a deficient number, since it is larger than the sum of its proper divisors (3739857180589).

71055505557011 is a wasteful number, since it uses less digits than its factorization.

71055505557011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686529.

The product of its (nonzero) digits is 765625, while the sum is 47.

The spelling of 71055505557011 in words is "seventy-one trillion, fifty-five billion, five hundred five million, five hundred fifty-seven thousand, eleven".

Divisors: 1 19 1019971 3666539 19379449 69664241 3739763450369 71055505557011