Base | Representation |
---|---|
bin | 1100111111010001000… |
… | …0001101000001011000 |
3 | 210022222002120111002221 |
4 | 3033310100031001120 |
5 | 12123443123023230 |
6 | 250302030433424 |
7 | 22056435035665 |
oct | 3176420150130 |
9 | 708862514087 |
10 | 223141220440 |
11 | 866a7446676 |
12 | 372b5662874 |
13 | 18071725018 |
14 | ab2b650a6c |
15 | 5c0ed7c27a |
hex | 33f440d058 |
223141220440 has 128 divisors (see below), whose sum is σ = 534990456000. Its totient is φ = 83523944448.
The previous prime is 223141220413. The next prime is 223141220473. The reversal of 223141220440 is 44022141322.
It is a super-3 number, since 3×2231412204403 (a number of 35 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27913084 + ... + 27921076.
Almost surely, 2223141220440 is an apocalyptic number.
223141220440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 223141220440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267495228000).
223141220440 is an abundant number, since it is smaller than the sum of its proper divisors (311849235560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223141220440 is a wasteful number, since it uses less digits than its factorization.
223141220440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8469 (or 8465 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 223141220440 its reverse (44022141322), we get a palindrome (267163361762).
The spelling of 223141220440 in words is "two hundred twenty-three billion, one hundred forty-one million, two hundred twenty thousand, four hundred forty".
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