Base | Representation |
---|---|
bin | 1010001100000001010010… |
… | …10101111011101101111100 |
3 | 2221022201200112012210101110 |
4 | 11012000221111323231330 |
5 | 10414023320204001140 |
6 | 115351524024442020 |
7 | 4501403150523036 |
oct | 506005125735574 |
9 | 87281615183343 |
10 | 22403243031420 |
11 | 7158186704779 |
12 | 2619a94919310 |
13 | c66803010534 |
14 | 57647389ac56 |
15 | 28cb5e30a380 |
hex | 14602957bb7c |
22403243031420 has 48 divisors (see below), whose sum is σ = 63484852556160. Its totient is φ = 5902219849536.
The previous prime is 22403243031413. The next prime is 22403243031437. The reversal of 22403243031420 is 2413034230422.
It is a super-2 number, since 2×224032430314202 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2249316610 + ... + 2249326569.
It is an arithmetic number, because the mean of its divisors is an integer number (1322601094920).
Almost surely, 222403243031420 is an apocalyptic number.
22403243031420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22403243031420 is an abundant number, since it is smaller than the sum of its proper divisors (41081609524740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22403243031420 is a wasteful number, since it uses less digits than its factorization.
22403243031420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4498643274 (or 4498643272 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 30.
Adding to 22403243031420 its reverse (2413034230422), we get a palindrome (24816277261842).
The spelling of 22403243031420 in words is "twenty-two trillion, four hundred three billion, two hundred forty-three million, thirty-one thousand, four hundred twenty".
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