Base | Representation |
---|---|
bin | 100011010010001001… |
… | …1011110011101001110 |
3 | 21020120121112021100200 |
4 | 1012210103132131032 |
5 | 2220134334403232 |
6 | 54450403434330 |
7 | 5321450661162 |
oct | 1064423363516 |
9 | 236517467320 |
10 | 75771012942 |
11 | 2a152841559 |
12 | 128276859a6 |
13 | 71b6c4a201 |
14 | 394b258ca2 |
15 | 1e870b577c |
hex | 11a44de74e |
75771012942 has 24 divisors (see below), whose sum is σ = 164176735944. Its totient is φ = 25256049264.
The previous prime is 75771012929. The next prime is 75771012971. The reversal of 75771012942 is 24921017757.
75771012942 is a `hidden beast` number, since 7 + 577 + 10 + 1 + 29 + 42 = 666.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 540033 + ... + 665715.
It is an arithmetic number, because the mean of its divisors is an integer number (6840697331).
Almost surely, 275771012942 is an apocalyptic number.
75771012942 is an abundant number, since it is smaller than the sum of its proper divisors (88405723002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75771012942 is a wasteful number, since it uses less digits than its factorization.
75771012942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 159184 (or 159181 counting only the distinct ones).
The product of its (nonzero) digits is 246960, while the sum is 45.
The spelling of 75771012942 in words is "seventy-five billion, seven hundred seventy-one million, twelve thousand, nine hundred forty-two".
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