Base | Representation |
---|---|
bin | 11100000011111100… |
… | …101110100011000110 |
3 | 2212202212211111210121 |
4 | 130003330232203012 |
5 | 443202020201042 |
6 | 21501512212154 |
7 | 2114450314153 |
oct | 340374564306 |
9 | 85685744717 |
10 | 30131022022 |
11 | 118621a38a2 |
12 | 5a0a99a05a |
13 | 2ac257ab1a |
14 | 165b9d322a |
15 | bb53aa367 |
hex | 703f2e8c6 |
30131022022 has 16 divisors (see below), whose sum is σ = 45446713344. Its totient is φ = 14982165000.
The previous prime is 30131021989. The next prime is 30131022083. The reversal of 30131022022 is 22022013103.
It is a junction number, because it is equal to n+sod(n) for n = 30131021987 and 30131022005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537747 + ... + 1557217.
It is an arithmetic number, because the mean of its divisors is an integer number (2840419584).
Almost surely, 230131022022 is an apocalyptic number.
30131022022 is a deficient number, since it is larger than the sum of its proper divisors (15315691322).
30131022022 is a wasteful number, since it uses less digits than its factorization.
30131022022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23715.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 30131022022 its reverse (22022013103), we get a palindrome (52153035125).
The spelling of 30131022022 in words is "thirty billion, one hundred thirty-one million, twenty-two thousand, twenty-two".
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