Base | Representation |
---|---|
bin | 11011111110001000… |
… | …000110111111101000 |
3 | 2212112002000212121022 |
4 | 123332020012333220 |
5 | 443002013424230 |
6 | 21444102432012 |
7 | 2112153125063 |
oct | 337610067750 |
9 | 85462025538 |
10 | 30033342440 |
11 | 11812047772 |
12 | 59a2132608 |
13 | 2aa826a55a |
14 | 164ca478da |
15 | baba131e5 |
hex | 6fe206fe8 |
30033342440 has 32 divisors (see below), whose sum is σ = 67585725000. Its totient is φ = 12011433984.
The previous prime is 30033342421. The next prime is 30033342461. The reversal of 30033342440 is 4424333003.
It can be written as a sum of positive squares in 4 ways, for example, as 30018334564 + 15007876 = 173258^2 + 3874^2 .
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, 211436 + ... + 323684.
Almost surely, 230033342440 is an apocalyptic number.
It is an amenable number.
30033342440 is an abundant number, since it is smaller than the sum of its proper divisors (37552382560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30033342440 is a wasteful number, since it uses less digits than its factorization.
30033342440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118949 (or 118945 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 26.
Adding to 30033342440 its reverse (4424333003), we get a palindrome (34457675443).
The spelling of 30033342440 in words is "thirty billion, thirty-three million, three hundred forty-two thousand, four hundred forty".
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