Base | Representation |
---|---|
bin | 1101110101011000100001… |
… | …10011100110011111101101 |
3 | 10222201021022002202201220001 |
4 | 12322230100303212133231 |
5 | 12441411301020220140 |
6 | 144411243240024301 |
7 | 6256612001445652 |
oct | 672542063463755 |
9 | 128637262681801 |
10 | 30421535320045 |
11 | 9769778667111 |
12 | 34b3a92762091 |
13 | 13c897a562acc |
14 | 7725a56cdc29 |
15 | 37b502112e9a |
hex | 1bab10ce67ed |
30421535320045 has 16 divisors (see below), whose sum is σ = 36529117934400. Its totient is φ = 24321712639104.
The previous prime is 30421535319971. The next prime is 30421535320049. The reversal of 30421535320045 is 54002353512403.
It is a cyclic number.
It is not a de Polignac number, because 30421535320045 - 29 = 30421535319533 is a prime.
It is a super-2 number, since 2×304215353200452 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30421535319986 and 30421535320013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30421535320049) 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, 200346642 + ... + 200498428.
It is an arithmetic number, because the mean of its divisors is an integer number (2283069870900).
Almost surely, 230421535320045 is an apocalyptic number.
It is an amenable number.
30421535320045 is a deficient number, since it is larger than the sum of its proper divisors (6107582614355).
30421535320045 is a wasteful number, since it uses less digits than its factorization.
30421535320045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177084.
The product of its (nonzero) digits is 216000, while the sum is 37.
Adding to 30421535320045 its reverse (54002353512403), we get a palindrome (84423888832448).
The spelling of 30421535320045 in words is "thirty trillion, four hundred twenty-one billion, five hundred thirty-five million, three hundred twenty thousand, forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •