Base | Representation |
---|---|
bin | 11100010000000111… |
… | …010010000100000000 |
3 | 2220022002212112110001 |
4 | 130100013102010000 |
5 | 444111242144040 |
6 | 21534042445344 |
7 | 2122506141013 |
oct | 342007220400 |
9 | 86262775401 |
10 | 30335115520 |
11 | 11957422306 |
12 | 5a67203854 |
13 | 2b259393c8 |
14 | 167ab5d37a |
15 | bc827259a |
hex | 7101d2100 |
30335115520 has 144 divisors (see below), whose sum is σ = 77312648448. Its totient is φ = 11364433920.
The previous prime is 30335115497. The next prime is 30335115527. The reversal of 30335115520 is 2551153303.
It is a super-2 number, since 2×303351155202 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30335115527) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4588057 + ... + 4594663.
It is an arithmetic number, because the mean of its divisors is an integer number (536893392).
Almost surely, 230335115520 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 30335115520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38656324224).
30335115520 is an abundant number, since it is smaller than the sum of its proper divisors (46977532928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30335115520 is a wasteful number, since it uses less digits than its factorization.
30335115520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6856 (or 6842 counting only the distinct ones).
The product of its (nonzero) digits is 6750, while the sum is 28.
Adding to 30335115520 its reverse (2551153303), we get a palindrome (32886268823).
The spelling of 30335115520 in words is "thirty billion, three hundred thirty-five million, one hundred fifteen thousand, five hundred twenty".
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