Base | Representation |
---|---|
bin | 100001011100111101… |
… | …1101010010010010011 |
3 | 20212102120120022100200 |
4 | 1002321323222102103 |
5 | 2134111224321040 |
6 | 53000300550243 |
7 | 5122143405132 |
oct | 1027173522223 |
9 | 225376508320 |
10 | 71838901395 |
11 | 28515206998 |
12 | 11b0a852383 |
13 | 6a0b4081a1 |
14 | 3696d37919 |
15 | 1d06ca0630 |
hex | 10b9eea493 |
71838901395 has 12 divisors (see below), whose sum is σ = 124520762496. Its totient is φ = 38314080720.
The previous prime is 71838901259. The next prime is 71838901429. The reversal of 71838901395 is 59310983817.
It is not a de Polignac number, because 71838901395 - 211 = 71838899347 is a prime.
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, 798209971 + ... + 798210060.
It is an arithmetic number, because the mean of its divisors is an integer number (10376730208).
Almost surely, 271838901395 is an apocalyptic number.
71838901395 is a deficient number, since it is larger than the sum of its proper divisors (52681861101).
71838901395 is a wasteful number, since it uses less digits than its factorization.
71838901395 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1596420042 (or 1596420039 counting only the distinct ones).
The product of its (nonzero) digits is 1632960, while the sum is 54.
The spelling of 71838901395 in words is "seventy-one billion, eight hundred thirty-eight million, nine hundred one thousand, three hundred ninety-five".
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