Base | Representation |
---|---|
bin | 10101011100110000… |
… | …110010100000001010 |
3 | 2012110002010122002100 |
4 | 111130300302200022 |
5 | 334131432130442 |
6 | 14325205014230 |
7 | 1443506242650 |
oct | 253460624012 |
9 | 65402118070 |
10 | 23031130122 |
11 | 9849521a40 |
12 | 45690b4376 |
13 | 223066b660 |
14 | 1186ab2dd0 |
15 | 8ebe0d84c |
hex | 55cc3280a |
23031130122 has 192 divisors, whose sum is σ = 67170265344. Its totient is φ = 5507896320.
The previous prime is 23031130097. The next prime is 23031130159. The reversal of 23031130122 is 22103113032.
23031130122 is a `hidden beast` number, since 2 + 30 + 311 + 301 + 22 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 23031130095 and 23031130104.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8232828 + ... + 8235624.
It is an arithmetic number, because the mean of its divisors is an integer number (349845132).
Almost surely, 223031130122 is an apocalyptic number.
23031130122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 23031130122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33585132672).
23031130122 is an abundant number, since it is smaller than the sum of its proper divisors (44139135222).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23031130122 is a wasteful number, since it uses less digits than its factorization.
23031130122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3293 (or 3290 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 23031130122 its reverse (22103113032), we get a palindrome (45134243154).
The spelling of 23031130122 in words is "twenty-three billion, thirty-one million, one hundred thirty thousand, one hundred twenty-two".
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