Base | Representation |
---|---|
bin | 1101101001100000010111… |
… | …11010011001001000100101 |
3 | 10221021020220122002120022002 |
4 | 12310300023322121020211 |
5 | 12413220001404234000 |
6 | 143455551403015045 |
7 | 6215253543625640 |
oct | 664601372311045 |
9 | 127236818076262 |
10 | 30013431321125 |
11 | 962169659444a |
12 | 344897950a485 |
13 | 139933cc9a945 |
14 | 75a92d110a57 |
15 | 370ab90298d5 |
hex | 1b4c0be99225 |
30013431321125 has 64 divisors (see below), whose sum is σ = 44632553472000. Its totient is φ = 19714495046400.
The previous prime is 30013431321091. The next prime is 30013431321131. The reversal of 30013431321125 is 52112313431003.
It is not a de Polignac number, because 30013431321125 - 26 = 30013431321061 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1434050 + ... + 7879299.
It is an arithmetic number, because the mean of its divisors is an integer number (697383648000).
Almost surely, 230013431321125 is an apocalyptic number.
30013431321125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30013431321125 is a deficient number, since it is larger than the sum of its proper divisors (14619122150875).
30013431321125 is a wasteful number, since it uses less digits than its factorization.
30013431321125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9313527 (or 9313517 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 29.
Adding to 30013431321125 its reverse (52112313431003), we get a palindrome (82125744752128).
The spelling of 30013431321125 in words is "thirty trillion, thirteen billion, four hundred thirty-one million, three hundred twenty-one thousand, one hundred twenty-five".
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