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518943741042 = 234310119914949
BaseRepresentation
bin1111000110100110111…
…01010001010001110010
31211121111002012110121010
413203103131101101302
532000244044203132
61034222141211350
752330624006146
oct7432335212162
91747432173533
10518943741042
111900a0238531
12846a9260b56
1339c22a4b2bc
141b18d115226
15d773ca86cc
hex78d3751472

518943741042 has 32 divisors (see below), whose sum is σ = 1072539547200. Its totient is φ = 167285563200.

The previous prime is 518943741013. The next prime is 518943741053. The reversal of 518943741042 is 240147349815.

It is a junction number, because it is equal to n+sod(n) for n = 518943740982 and 518943741000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9931417 + ... + 9983532.

It is an arithmetic number, because the mean of its divisors is an integer number (33516860850).

Almost surely, 2518943741042 is an apocalyptic number.

518943741042 is an abundant number, since it is smaller than the sum of its proper divisors (553595806158).

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

518943741042 is a wasteful number, since it uses less digits than its factorization.

518943741042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19915098.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 518943741042 in words is "five hundred eighteen billion, nine hundred forty-three million, seven hundred forty-one thousand, forty-two".

Divisors: 1 2 3 6 43 86 101 129 202 258 303 606 4343 8686 13029 26058 19914949 39829898 59744847 119489694 856342807 1712685614 2011409849 2569028421 4022819698 5138056842 6034229547 12068459094 86490623507 172981247014 259471870521 518943741042