Base | Representation |
---|---|
bin | 11100001011010110… |
… | …101101110011110010 |
3 | 2220002112122020012000 |
4 | 130023112231303302 |
5 | 443430322302000 |
6 | 21522111314430 |
7 | 2120516411364 |
oct | 341326556362 |
9 | 86075566160 |
10 | 30255275250 |
11 | 11916350112 |
12 | 5a4451ba16 |
13 | 2b12233945 |
14 | 16702d8d34 |
15 | bc1251000 |
hex | 70b5adcf2 |
30255275250 has 256 divisors, whose sum is σ = 89232399360. Its totient is φ = 7569619200.
The previous prime is 30255275243. The next prime is 30255275293. The reversal of 30255275250 is 5257255203.
30255275250 is a `hidden beast` number, since 3 + 0 + 2 + 552 + 7 + 52 + 50 = 666.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8226412 + ... + 8230088.
It is an arithmetic number, because the mean of its divisors is an integer number (348564060).
Almost surely, 230255275250 is an apocalyptic number.
30255275250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30255275250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44616199680).
30255275250 is an abundant number, since it is smaller than the sum of its proper divisors (58977124110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30255275250 is a wasteful number, since it uses less digits than its factorization.
30255275250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3779 (or 3763 counting only the distinct ones).
The product of its (nonzero) digits is 105000, while the sum is 36.
The spelling of 30255275250 in words is "thirty billion, two hundred fifty-five million, two hundred seventy-five thousand, two hundred fifty".
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