Base | Representation |
---|---|
bin | 11100100111011110… |
… | …110011101001000000 |
3 | 2221022102120101002100 |
4 | 130213132303221000 |
5 | 1000412123031321 |
6 | 22041005350400 |
7 | 2135306352000 |
oct | 344736635100 |
9 | 87272511070 |
10 | 30727158336 |
11 | 12038752936 |
12 | 5b56568400 |
13 | 2b88c22bc4 |
14 | 16b6c52000 |
15 | bec8b3326 |
hex | 7277b3a40 |
30727158336 has 672 divisors, whose sum is σ = 110313216000. Its totient is φ = 8155607040.
The previous prime is 30727158313. The next prime is 30727158377. The reversal of 30727158336 is 63385172703.
30727158336 is a `hidden beast` number, since 30 + 7 + 2 + 7 + 1 + 583 + 36 = 666.
It is a tau number, because it is divible by the number of its divisors (672).
It is a super-2 number, since 2×307271583362 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30727158291 and 30727158300.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 177613546 + ... + 177613718.
Almost surely, 230727158336 is an apocalyptic number.
30727158336 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30727158336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55156608000).
30727158336 is an abundant number, since it is smaller than the sum of its proper divisors (79586057664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30727158336 is a wasteful number, since it uses less digits than its factorization.
30727158336 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 272 (or 245 counting only the distinct ones).
The product of its (nonzero) digits is 635040, while the sum is 45.
The spelling of 30727158336 in words is "thirty billion, seven hundred twenty-seven million, one hundred fifty-eight thousand, three hundred thirty-six".
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