Base | Representation |
---|---|
bin | 1101111000010000010110… |
… | …01011010010101110001100 |
3 | 11000001201000222000202201201 |
4 | 12330020023023102232030 |
5 | 13000020410112140040 |
6 | 144524444200515244 |
7 | 6300004426041514 |
oct | 674101313225614 |
9 | 130051028022651 |
10 | 30520225115020 |
11 | 97a7611464843 |
12 | 350b03577bb24 |
13 | 14050777a35b4 |
14 | 777288734844 |
15 | 37dd7b2e3a9a |
hex | 1bc20b2d2b8c |
30520225115020 has 24 divisors (see below), whose sum is σ = 64105657984368. Its totient is φ = 12205578571200.
The previous prime is 30520225114993. The next prime is 30520225115059. The reversal of 30520225115020 is 2051152202503.
It is a self number, because there is not a number n which added to its sum of digits gives 30520225115020.
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, 156867526 + ... + 157061965.
It is an arithmetic number, because the mean of its divisors is an integer number (2671069082682).
Almost surely, 230520225115020 is an apocalyptic number.
It is an amenable number.
30520225115020 is an abundant number, since it is smaller than the sum of its proper divisors (33585432869348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30520225115020 is a wasteful number, since it uses less digits than its factorization.
30520225115020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 313934361 (or 313934359 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 28.
Adding to 30520225115020 its reverse (2051152202503), we get a palindrome (32571377317523).
The spelling of 30520225115020 in words is "thirty trillion, five hundred twenty billion, two hundred twenty-five million, one hundred fifteen thousand, twenty".
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