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51050160660 = 2235850836011
BaseRepresentation
bin101111100010110100…
…111010001000010100
311212202202212212020010
4233202310322020110
51314022320120120
635241354040220
73455033130432
oct574264721024
9155682785203
1051050160660
111a717537324
129a88719070
134a774c0475
142683db7d52
1514dbb837e0
hexbe2d3a214

51050160660 has 24 divisors (see below), whose sum is σ = 142940450016. Its totient is φ = 13613376160.

The previous prime is 51050160653. The next prime is 51050160703. The reversal of 51050160660 is 6606105015.

It is a super-2 number, since 2×510501606602 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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, 425417946 + ... + 425418065.

It is an arithmetic number, because the mean of its divisors is an integer number (5955852084).

Almost surely, 251050160660 is an apocalyptic number.

It is an amenable number.

51050160660 is an abundant number, since it is smaller than the sum of its proper divisors (91890289356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51050160660 is a wasteful number, since it uses less digits than its factorization.

51050160660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850836023 (or 850836021 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 51050160660 its reverse (6606105015), we get a palindrome (57656265675).

The spelling of 51050160660 in words is "fifty-one billion, fifty million, one hundred sixty thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 850836011 1701672022 2552508033 3403344044 4254180055 5105016066 8508360110 10210032132 12762540165 17016720220 25525080330 51050160660