Base | Representation |
---|---|
bin | 1111011111111… |
… | …11011100000010 |
3 | 100001122202110010 |
4 | 13233333130002 |
5 | 231241133442 |
6 | 20522445350 |
7 | 3136106220 |
oct | 757773402 |
9 | 301582403 |
10 | 130021122 |
11 | 67436880 |
12 | 37663856 |
13 | 20c2529a |
14 | 133a7b10 |
15 | b634b9c |
hex | 7bff702 |
130021122 has 32 divisors (see below), whose sum is σ = 324209664. Its totient is φ = 33771600.
The previous prime is 130021109. The next prime is 130021153. The reversal of 130021122 is 221120031.
It is a super-2 number, since 2×1300211222 = 33810984332277768, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 130021098 and 130021107.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140254 + ... + 141177.
It is an arithmetic number, because the mean of its divisors is an integer number (10131552).
Almost surely, 2130021122 is an apocalyptic number.
130021122 is an abundant number, since it is smaller than the sum of its proper divisors (194188542).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130021122 is a wasteful number, since it uses less digits than its factorization.
130021122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281454.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 130021122 is about 11402.6804743446. The cubic root of 130021122 is about 506.6071362614.
Adding to 130021122 its reverse (221120031), we get a palindrome (351141153).
It can be divided in two parts, 1300 and 21122, that added together give a palindrome (22422).
The spelling of 130021122 in words is "one hundred thirty million, twenty-one thousand, one hundred twenty-two".
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