Base | Representation |
---|---|
bin | 11100000011000010… |
… | …011000100110111110 |
3 | 2212201211001111002011 |
4 | 130003002120212332 |
5 | 443134111242211 |
6 | 21500204321434 |
7 | 2114203314463 |
oct | 340302304676 |
9 | 85654044064 |
10 | 30115727806 |
11 | 118545a804a |
12 | 5a0584327a |
13 | 2abc3545a8 |
14 | 165997166a |
15 | bb3d88921 |
hex | 7030989be |
30115727806 has 16 divisors (see below), whose sum is σ = 45489742848. Its totient is φ = 14952555000.
The previous prime is 30115727797. The next prime is 30115727819. The reversal of 30115727806 is 60872751103.
It is a super-4 number, since 4×301157278064 (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
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, 859531 + ... + 893881.
It is an arithmetic number, because the mean of its divisors is an integer number (2843108928).
Almost surely, 230115727806 is an apocalyptic number.
30115727806 is a deficient number, since it is larger than the sum of its proper divisors (15374015042).
30115727806 is a wasteful number, since it uses less digits than its factorization.
30115727806 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37407.
The product of its (nonzero) digits is 70560, while the sum is 40.
The spelling of 30115727806 in words is "thirty billion, one hundred fifteen million, seven hundred twenty-seven thousand, eight hundred six".
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