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51135508010 = 2538693132157
BaseRepresentation
bin101111100111111010…
…011110111000101010
311212222201110221210002
4233213322132320222
51314211142224020
635254043223002
73460120434506
oct574772367052
9155881427702
1051135508010
111a760730024
129ab1217a62
134a8c0a3762
142691473306
1514e43e1975
hexbe7e9ee2a

51135508010 has 16 divisors (see below), whose sum is σ = 92046989736. Its totient is φ = 20453519808.

The previous prime is 51135508001. The next prime is 51135508063. The reversal of 51135508010 is 1080553115.

It can be written as a sum of positive squares in 4 ways, for example, as 48554563201 + 2580944809 = 220351^2 + 50803^2 .

It is a super-2 number, since 2×511355080102 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 320852 + ... + 453008.

Almost surely, 251135508010 is an apocalyptic number.

51135508010 is a deficient number, since it is larger than the sum of its proper divisors (40911481726).

51135508010 is a wasteful number, since it uses less digits than its factorization.

51135508010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170857.

The product of its (nonzero) digits is 3000, while the sum is 29.

The spelling of 51135508010 in words is "fifty-one billion, one hundred thirty-five million, five hundred eight thousand, ten".

Divisors: 1 2 5 10 38693 77386 132157 193465 264314 386930 660785 1321570 5113550801 10227101602 25567754005 51135508010