Base | Representation |
---|---|
bin | 11100010110110011… |
… | …111001011110010000 |
3 | 2220120221021222002120 |
4 | 130112303321132100 |
5 | 444324023141301 |
6 | 21553135014240 |
7 | 2125342156311 |
oct | 342663713620 |
9 | 86527258076 |
10 | 30447474576 |
11 | 11a04895332 |
12 | 5a9896a380 |
13 | 2b42cb945c |
14 | 168ba4a608 |
15 | bd3068e36 |
hex | 716cf9790 |
30447474576 has 80 divisors (see below), whose sum is σ = 80440946688. Its totient is φ = 9919440000.
The previous prime is 30447474553. The next prime is 30447474587. The reversal of 30447474576 is 67547474403.
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 15 ways as a sum of consecutive naturals, for example, 1685271 + ... + 1703241.
Almost surely, 230447474576 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30447474576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40220473344).
30447474576 is an abundant number, since it is smaller than the sum of its proper divisors (49993472112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30447474576 is a wasteful number, since it uses less digits than its factorization.
30447474576 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18780 (or 18774 counting only the distinct ones).
The product of its (nonzero) digits is 7902720, while the sum is 51.
The spelling of 30447474576 in words is "thirty billion, four hundred forty-seven million, four hundred seventy-four thousand, five hundred seventy-six".
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