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51108400240071 = 3197710111629403
BaseRepresentation
bin10111001111011100110100…
…00010101001010111000111
320200221220201021202102221020
423213232122002221113013
523144330000430140241
6300410512553122223
713523313542130366
oct1347563202512707
9220856637672836
1051108400240071
1115314a505a6849
1258951979b9373
132269669937cb5
14c899345a37dd
155d96a7d1ab66
hex2e7b9a0a95c7

51108400240071 has 16 divisors (see below), whose sum is σ = 71732024576640. Its totient is φ = 32278568191200.

The previous prime is 51108400240067. The next prime is 51108400240133. The reversal of 51108400240071 is 17004200480115.

It is not a de Polignac number, because 51108400240071 - 22 = 51108400240067 is a prime.

It is a super-2 number, since 2×511084002400712 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51108400240031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1419945 + ... + 10209458.

It is an arithmetic number, because the mean of its divisors is an integer number (4483251536040).

Almost surely, 251108400240071 is an apocalyptic number.

51108400240071 is a deficient number, since it is larger than the sum of its proper divisors (20623624336569).

51108400240071 is a wasteful number, since it uses less digits than its factorization.

51108400240071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11706526.

The product of its (nonzero) digits is 8960, while the sum is 33.

The spelling of 51108400240071 in words is "fifty-one trillion, one hundred eight billion, four hundred million, two hundred forty thousand, seventy-one".

Divisors: 1 3 19 57 77101 231303 1464919 4394757 11629403 34888209 220958657 662875971 896638600703 2689915802109 17036133413357 51108400240071