Base | Representation |
---|---|
bin | 1101111001011100111100… |
… | …11010101011000110010101 |
3 | 11000012122012000221122020011 |
4 | 12330232132122223012111 |
5 | 13001204121111302240 |
6 | 144555405044040221 |
7 | 6302661513502120 |
oct | 674563632530625 |
9 | 130178160848204 |
10 | 30561350103445 |
11 | 9812aa5445287 |
12 | 3516bb2393071 |
13 | 1408bcc945685 |
14 | 77926a4a73b7 |
15 | 37ee8694a6ea |
hex | 1bcb9e6ab195 |
30561350103445 has 32 divisors (see below), whose sum is σ = 42620837068800. Its totient is φ = 20604510029376.
The previous prime is 30561350103409. The next prime is 30561350103457. The reversal of 30561350103445 is 54430105316503.
It is not a de Polignac number, because 30561350103445 - 219 = 30561349579157 is a prime.
It is a super-2 number, since 2×305613501034452 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30561350103398 and 30561350103407.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22462449 + ... + 23784118.
It is an arithmetic number, because the mean of its divisors is an integer number (1331901158400).
Almost surely, 230561350103445 is an apocalyptic number.
30561350103445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30561350103445 is a deficient number, since it is larger than the sum of its proper divisors (12059486965355).
30561350103445 is a wasteful number, since it uses less digits than its factorization.
30561350103445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46246897.
The product of its (nonzero) digits is 324000, while the sum is 40.
Adding to 30561350103445 its reverse (54430105316503), we get a palindrome (84991455419948).
The spelling of 30561350103445 in words is "thirty trillion, five hundred sixty-one billion, three hundred fifty million, one hundred three thousand, four hundred forty-five".
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