Base | Representation |
---|---|
bin | 10100100111000100… |
… | …011001010001111111 |
3 | 2010010022001201111220 |
4 | 110213010121101333 |
5 | 330310324100111 |
6 | 14055545044423 |
7 | 1412260306110 |
oct | 244704312177 |
9 | 63108051456 |
10 | 22130300031 |
11 | 9426a82a64 |
12 | 4357486713 |
13 | 2118b441b8 |
14 | 10dd1bc207 |
15 | 897cbae06 |
hex | 52711947f |
22130300031 has 64 divisors (see below), whose sum is σ = 34546477056. Its totient is φ = 12342067200.
The previous prime is 22130299979. The next prime is 22130300033. The reversal of 22130300031 is 13000303122.
It is not a de Polignac number, because 22130300031 - 27 = 22130299903 is a prime.
It is a super-2 number, since 2×221303000312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22130300033) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71158366 + ... + 71158676.
It is an arithmetic number, because the mean of its divisors is an integer number (539788704).
Almost surely, 222130300031 is an apocalyptic number.
22130300031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
22130300031 is a deficient number, since it is larger than the sum of its proper divisors (12416177025).
22130300031 is a wasteful number, since it uses less digits than its factorization.
22130300031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 792.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 22130300031 its reverse (13000303122), we get a palindrome (35130603153).
The spelling of 22130300031 in words is "twenty-two billion, one hundred thirty million, three hundred thousand, thirty-one".
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