Base | Representation |
---|---|
bin | 1101101001110000100011… |
… | …11000000010100001110011 |
3 | 10221022002100020211100012110 |
4 | 12310320101320002201303 |
5 | 12413340301023132011 |
6 | 143503545551300403 |
7 | 6216012103351350 |
oct | 664702170024163 |
9 | 127262306740173 |
10 | 30022121302131 |
11 | 9625345888832 |
12 | 344a5a381a703 |
13 | 139a0c6452a3a |
14 | 75b1152a5627 |
15 | 370e26db8ba6 |
hex | 1b4e11e02873 |
30022121302131 has 32 divisors (see below), whose sum is σ = 45764629447680. Its totient is φ = 17149260957696.
The previous prime is 30022121302111. The next prime is 30022121302141. The reversal of 30022121302131 is 13120312122003.
It is not a de Polignac number, because 30022121302131 - 25 = 30022121302099 is a prime.
It is a super-2 number, since 2×300221213021312 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 30022121302098 and 30022121302107.
It is not an unprimeable number, because it can be changed into a prime (30022121302111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 777574555 + ... + 777613163.
It is an arithmetic number, because the mean of its divisors is an integer number (1430144670240).
Almost surely, 230022121302131 is an apocalyptic number.
30022121302131 is a deficient number, since it is larger than the sum of its proper divisors (15742508145549).
30022121302131 is a wasteful number, since it uses less digits than its factorization.
30022121302131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51123.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 30022121302131 its reverse (13120312122003), we get a palindrome (43142433424134).
The spelling of 30022121302131 in words is "thirty trillion, twenty-two billion, one hundred twenty-one million, three hundred two thousand, one hundred thirty-one".
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