Base | Representation |
---|---|
bin | 1101110000011111000000… |
… | …01010011101001100010000 |
3 | 10222010011211121100002122112 |
4 | 12320033200022131030100 |
5 | 12431132041132044440 |
6 | 144202045122124452 |
7 | 6241502611555511 |
oct | 670174012351420 |
9 | 128104747302575 |
10 | 30253215503120 |
11 | 97043534a73a5 |
12 | 34873387b0728 |
13 | 13b5b347372bc |
14 | 768398c60a08 |
15 | 376e50054965 |
hex | 1b83e029d310 |
30253215503120 has 40 divisors (see below), whose sum is σ = 72607717213440. Its totient is φ = 11710922129280.
The previous prime is 30253215503113. The next prime is 30253215503123. The reversal of 30253215503120 is 2130551235203.
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (30253215503123) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 6099436130 + ... + 6099441089.
It is an arithmetic number, because the mean of its divisors is an integer number (1815192930336).
Almost surely, 230253215503120 is an apocalyptic number.
It is an amenable number.
30253215503120 is an abundant number, since it is smaller than the sum of its proper divisors (42354501710320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30253215503120 is a wasteful number, since it uses less digits than its factorization.
30253215503120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12198877263 (or 12198877257 counting only the distinct ones).
The product of its (nonzero) digits is 27000, while the sum is 32.
Adding to 30253215503120 its reverse (2130551235203), we get a palindrome (32383766738323).
The spelling of 30253215503120 in words is "thirty trillion, two hundred fifty-three billion, two hundred fifteen million, five hundred three thousand, one hundred twenty".
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