Base | Representation |
---|---|
bin | 1101101111110101110110… |
… | …10011010001011111011111 |
3 | 10222001001210212221002012020 |
4 | 12313322323103101133133 |
5 | 12430301314242033043 |
6 | 144143552534311223 |
7 | 6240061251014403 |
oct | 667727323213737 |
9 | 128031725832166 |
10 | 30231122221023 |
11 | 96a5a46408579 |
12 | 3482bb17b8513 |
13 | 13b3a23484509 |
14 | 7672a095b103 |
15 | 3765aa64be83 |
hex | 1b7ebb4d17df |
30231122221023 has 32 divisors (see below), whose sum is σ = 43409924997120. Its totient is φ = 18646535093760.
The previous prime is 30231122221021. The next prime is 30231122221051. The reversal of 30231122221023 is 32012222113203.
It is not a de Polignac number, because 30231122221023 - 21 = 30231122221021 is a prime.
It is a super-3 number, since 3×302311222210233 (a number of 41 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30231122220984 and 30231122221002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30231122221021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20704363 + ... + 22116348.
It is an arithmetic number, because the mean of its divisors is an integer number (1356560156160).
Almost surely, 230231122221023 is an apocalyptic number.
30231122221023 is a deficient number, since it is larger than the sum of its proper divisors (13178802776097).
30231122221023 is a wasteful number, since it uses less digits than its factorization.
30231122221023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42820967.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 30231122221023 its reverse (32012222113203), we get a palindrome (62243344334226).
The spelling of 30231122221023 in words is "thirty trillion, two hundred thirty-one billion, one hundred twenty-two million, two hundred twenty-one thousand, twenty-three".
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