Base | Representation |
---|---|
bin | 11100011010110111… |
… | …100010110100110010 |
3 | 2220202200101000021102 |
4 | 130122313202310302 |
5 | 444443434224000 |
6 | 22004005524402 |
7 | 2130126542510 |
oct | 343267426462 |
9 | 86680330242 |
10 | 30515539250 |
11 | 11a3a254329 |
12 | 5ab7713702 |
13 | 2b5412b101 |
14 | 1696ac74b0 |
15 | bd90113d5 |
hex | 71ade2d32 |
30515539250 has 64 divisors (see below), whose sum is σ = 65360894976. Its totient is φ = 10450440000.
The previous prime is 30515539207. The next prime is 30515539279. The reversal of 30515539250 is 5293551503.
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 31 ways as a sum of consecutive naturals, for example, 1584680 + ... + 1603820.
It is an arithmetic number, because the mean of its divisors is an integer number (1021263984).
Almost surely, 230515539250 is an apocalyptic number.
30515539250 is an abundant number, since it is smaller than the sum of its proper divisors (34845355726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30515539250 is a wasteful number, since it uses less digits than its factorization.
30515539250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20076 (or 20066 counting only the distinct ones).
The product of its (nonzero) digits is 101250, while the sum is 38.
The spelling of 30515539250 in words is "thirty billion, five hundred fifteen million, five hundred thirty-nine thousand, two hundred fifty".
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