Base | Representation |
---|---|
bin | 100001111011110011… |
… | …0010100010110100111 |
3 | 20222002200100001111121 |
4 | 1003313212110112213 |
5 | 2143221103301202 |
6 | 53251055514411 |
7 | 5156605322653 |
oct | 1036746242647 |
9 | 228080301447 |
10 | 72873493927 |
11 | 289a6207643 |
12 | 12159228a07 |
13 | 6b44867810 |
14 | 37544cba63 |
15 | 1d67a16537 |
hex | 10f79945a7 |
72873493927 has 8 divisors (see below), whose sum is σ = 78490348160. Its totient is φ = 67258239840.
The previous prime is 72873493919. The next prime is 72873493933. The reversal of 72873493927 is 72939437827.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 72873493927 - 23 = 72873493919 is a prime.
It is a super-2 number, since 2×728734939272 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72873493127) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304599 + ... + 488392.
It is an arithmetic number, because the mean of its divisors is an integer number (9811293520).
Almost surely, 272873493927 is an apocalyptic number.
72873493927 is a deficient number, since it is larger than the sum of its proper divisors (5616854233).
72873493927 is a wasteful number, since it uses less digits than its factorization.
72873493927 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 800073.
The product of its digits is 32006016, while the sum is 61.
The spelling of 72873493927 in words is "seventy-two billion, eight hundred seventy-three million, four hundred ninety-three thousand, nine hundred twenty-seven".
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