Base | Representation |
---|---|
bin | 1101101010011011110011… |
… | …10100100000111011110000 |
3 | 10221101022021101222200122112 |
4 | 12311031321310200323300 |
5 | 12414230324022420130 |
6 | 143522345541424452 |
7 | 6220463351410355 |
oct | 665157164407360 |
9 | 127338241880575 |
10 | 30045340045040 |
11 | 96341801a1a61 |
12 | 3452ba370b128 |
13 | 139c35692c378 |
14 | 75c2b8c5462c |
15 | 3718354d6495 |
hex | 1b5379d20ef0 |
30045340045040 has 80 divisors (see below), whose sum is σ = 71289737893920. Its totient is φ = 11773352954880.
The previous prime is 30045340045027. The next prime is 30045340045043. The reversal of 30045340045040 is 4054004354003.
It is a tau number, because it is divible by the number of its divisors (80).
It is a junction number, because it is equal to n+sod(n) for n = 30045340044988 and 30045340045006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30045340045043) 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, 14514575 + ... + 16454894.
It is an arithmetic number, because the mean of its divisors is an integer number (891121723674).
Almost surely, 230045340045040 is an apocalyptic number.
It is an amenable number.
30045340045040 is an abundant number, since it is smaller than the sum of its proper divisors (41244397848880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30045340045040 is a wasteful number, since it uses less digits than its factorization.
30045340045040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30969730 (or 30969724 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 32.
Adding to 30045340045040 its reverse (4054004354003), we get a palindrome (34099344399043).
The spelling of 30045340045040 in words is "thirty trillion, forty-five billion, three hundred forty million, forty-five thousand, forty".
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