Base | Representation |
---|---|
bin | 10100111001100010… |
… | …10111101001111000 |
3 | 1001221221122021011200 |
4 | 22130301113221320 |
5 | 140434322402412 |
6 | 5053210054200 |
7 | 545021315424 |
oct | 123461275170 |
9 | 31857567150 |
10 | 11220122232 |
11 | 48385149a0 |
12 | 221171a360 |
13 | 109a7088a7 |
14 | 78620db84 |
15 | 45a0709dc |
hex | 29cc57a78 |
11220122232 has 48 divisors (see below), whose sum is σ = 33150363480. Its totient is φ = 3400036800.
The previous prime is 11220122201. The next prime is 11220122233. The reversal of 11220122232 is 23222102211.
It is a super-2 number, since 2×112201222322 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11220122233) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7082619 + ... + 7084202.
Almost surely, 211220122232 is an apocalyptic number.
11220122232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
11220122232 is an abundant number, since it is smaller than the sum of its proper divisors (21930241248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11220122232 is a wasteful number, since it uses less digits than its factorization.
11220122232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14166844 (or 14166837 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 11220122232 its reverse (23222102211), we get a palindrome (34442224443).
The spelling of 11220122232 in words is "eleven billion, two hundred twenty million, one hundred twenty-two thousand, two hundred thirty-two".
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