Base | Representation |
---|---|
bin | 1101110001000011001001… |
… | …11001011010000000100000 |
3 | 10222012000221002121010112110 |
4 | 12320201210321122000200 |
5 | 12431441312300210134 |
6 | 144215014540355320 |
7 | 6243060541436301 |
oct | 670414471320040 |
9 | 128160832533473 |
10 | 30272622272544 |
11 | 9711602081513 |
12 | 348b053b45b40 |
13 | 13b7908246612 |
14 | 7692ba4427a8 |
15 | 3776d8b8d7e9 |
hex | 1b8864e5a020 |
30272622272544 has 48 divisors (see below), whose sum is σ = 79465925387520. Its totient is φ = 10090837021440.
The previous prime is 30272622272449. The next prime is 30272622272549. The reversal of 30272622272544 is 44527222627203.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×302726222725442 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 30272622272493 and 30272622272502.
It is not an unprimeable number, because it can be changed into a prime (30272622272549) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41618214 + ... + 42339354.
It is an arithmetic number, because the mean of its divisors is an integer number (1655540112240).
Almost surely, 230272622272544 is an apocalyptic number.
It is an amenable number.
30272622272544 is an abundant number, since it is smaller than the sum of its proper divisors (49193303114976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30272622272544 is a wasteful number, since it uses less digits than its factorization.
30272622272544 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1158433 (or 1158425 counting only the distinct ones).
The product of its (nonzero) digits is 4515840, while the sum is 48.
Adding to 30272622272544 its reverse (44527222627203), we get a palindrome (74799844899747).
The spelling of 30272622272544 in words is "thirty trillion, two hundred seventy-two billion, six hundred twenty-two million, two hundred seventy-two thousand, five hundred forty-four".
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