Base | Representation |
---|---|
bin | 100001001100011011… |
… | …1011111011010111100 |
3 | 20210222220201112111001 |
4 | 1002120313133122330 |
5 | 2131442221111223 |
6 | 52425242540044 |
7 | 5102326235623 |
oct | 1023067373274 |
9 | 223886645431 |
10 | 71284160188 |
11 | 2826006068a |
12 | 11994b07624 |
13 | 69504c7957 |
14 | 36433b26ba |
15 | 1cc32229ad |
hex | 1098ddf6bc |
71284160188 has 24 divisors (see below), whose sum is σ = 129252653712. Its totient is φ = 34371880704.
The previous prime is 71284160137. The next prime is 71284160191. The reversal of 71284160188 is 88106148217.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2114470 + ... + 2147917.
It is an arithmetic number, because the mean of its divisors is an integer number (5385527238).
Almost surely, 271284160188 is an apocalyptic number.
It is an amenable number.
71284160188 is a deficient number, since it is larger than the sum of its proper divisors (57968493524).
71284160188 is a wasteful number, since it uses less digits than its factorization.
71284160188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4262541 (or 4262539 counting only the distinct ones).
The product of its (nonzero) digits is 172032, while the sum is 46.
The spelling of 71284160188 in words is "seventy-one billion, two hundred eighty-four million, one hundred sixty thousand, one hundred eighty-eight".
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