Base | Representation |
---|---|
bin | 1100111111001001110… |
… | …1011010110010000000 |
3 | 210022212222221202010002 |
4 | 3033302131122302000 |
5 | 12123412422131430 |
6 | 250255033455132 |
7 | 22055621213315 |
oct | 3176235326200 |
9 | 708788852102 |
10 | 223111130240 |
11 | 86691464439 |
12 | 372a75714a8 |
13 | 1806841ac7b |
14 | ab2765ad0c |
15 | 5c0c3d6845 |
hex | 33f275ac80 |
223111130240 has 32 divisors (see below), whose sum is σ = 533375047260. Its totient is φ = 89244451840.
The previous prime is 223111130219. The next prime is 223111130257. The reversal of 223111130240 is 42031111322.
223111130240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 201299384896 + 21811745344 = 448664^2 + 147688^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is a super-3 number, since 3×2231111302403 (a number of 35 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174304931 + ... + 174306210.
Almost surely, 2223111130240 is an apocalyptic number.
223111130240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
223111130240 is an abundant number, since it is smaller than the sum of its proper divisors (310263917020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223111130240 is an equidigital number, since it uses as much as digits as its factorization.
223111130240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 348611160 (or 348611148 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 223111130240 its reverse (42031111322), we get a palindrome (265142241562).
The spelling of 223111130240 in words is "two hundred twenty-three billion, one hundred eleven million, one hundred thirty thousand, two hundred forty".
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