Base | Representation |
---|---|
bin | 11100010000001000… |
… | …100010001001101001 |
3 | 2220022010111012102201 |
4 | 130100020202021221 |
5 | 444111333143221 |
6 | 21534053500201 |
7 | 2122512005263 |
oct | 342010421151 |
9 | 86263435381 |
10 | 30335443561 |
11 | 11957626815 |
12 | 5a67341661 |
13 | 2b25a22807 |
14 | 167ac06b33 |
15 | bc82d9891 |
hex | 710222269 |
30335443561 has 8 divisors (see below), whose sum is σ = 31247782280. Its totient is φ = 29427971328.
The previous prime is 30335443553. The next prime is 30335443577. The reversal of 30335443561 is 16534453303.
It can be written as a sum of positive squares in 4 ways, for example, as 7611690025 + 22723753536 = 87245^2 + 150744^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30335443561 - 23 = 30335443553 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30335443561.
It is not an unprimeable number, because it can be changed into a prime (30335443511) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203966 + ... + 1228903.
It is an arithmetic number, because the mean of its divisors is an integer number (3905972785).
Almost surely, 230335443561 is an apocalyptic number.
It is an amenable number.
30335443561 is a deficient number, since it is larger than the sum of its proper divisors (912338719).
30335443561 is a wasteful number, since it uses less digits than its factorization.
30335443561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2433243.
The product of its (nonzero) digits is 194400, while the sum is 37.
Adding to 30335443561 its reverse (16534453303), we get a palindrome (46869896864).
The spelling of 30335443561 in words is "thirty billion, three hundred thirty-five million, four hundred forty-three thousand, five hundred sixty-one".
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