Base | Representation |
---|---|
bin | 1101101111110101101000… |
… | …00001000010110111100110 |
3 | 10222001001111100221201020120 |
4 | 12313322310001002313212 |
5 | 12430301042000031042 |
6 | 144143532450542410 |
7 | 6240055235121651 |
oct | 667726401026746 |
9 | 128031440851216 |
10 | 30231000002022 |
11 | 96a5993420636 |
12 | 3482b78897a06 |
13 | 13b3a04061591 |
14 | 76728c624898 |
15 | 37659ea58dec |
hex | 1b7eb4042de6 |
30231000002022 has 16 divisors (see below), whose sum is σ = 64018588239792. Its totient is φ = 9484235294720.
The previous prime is 30231000002017. The next prime is 30231000002023. The reversal of 30231000002022 is 22020000013203.
It is a super-2 number, since 2×302310000020222 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30231000001992 and 30231000002010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30231000002023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148191176379 + ... + 148191176582.
It is an arithmetic number, because the mean of its divisors is an integer number (4001161764987).
Almost surely, 230231000002022 is an apocalyptic number.
30231000002022 is an abundant number, since it is smaller than the sum of its proper divisors (33787588237770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30231000002022 is a wasteful number, since it uses less digits than its factorization.
30231000002022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 296382352983.
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 30231000002022 its reverse (22020000013203), we get a palindrome (52251000015225).
The spelling of 30231000002022 in words is "thirty trillion, two hundred thirty-one billion, two thousand, twenty-two".
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