Base | Representation |
---|---|
bin | 110010101110111111000100… |
… | …100010101100000111100000 |
3 | 1002021001010111000211222000001 |
4 | 302232333010202230013200 |
5 | 213221240040204004212 |
6 | 2110321010541505344 |
7 | 64666456512315130 |
oct | 6256770442540740 |
9 | 1067033430758001 |
10 | 223131143422432 |
11 | 65107428499403 |
12 | 21038388572254 |
13 | 976723ab1c54b |
14 | 3d15868046ac0 |
15 | 1abe246a8e657 |
hex | caefc48ac1e0 |
223131143422432 has 96 divisors (see below), whose sum is σ = 505743043534848. Its totient is φ = 94923349748736.
The previous prime is 223131143422427. The next prime is 223131143422459. The reversal of 223131143422432 is 234224341131322.
It is a super-3 number, since 3×2231311434224323 (a number of 44 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 223131143422391 and 223131143422400.
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, 479942793 + ... + 480407479.
It is an arithmetic number, because the mean of its divisors is an integer number (5268156703488).
Almost surely, 2223131143422432 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 223131143422432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252871521767424).
223131143422432 is an abundant number, since it is smaller than the sum of its proper divisors (282611900112416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223131143422432 is a wasteful number, since it uses less digits than its factorization.
223131143422432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 480488 (or 480480 counting only the distinct ones).
The product of its digits is 165888, while the sum is 37.
Adding to 223131143422432 its reverse (234224341131322), we get a palindrome (457355484553754).
The spelling of 223131143422432 in words is "two hundred twenty-three trillion, one hundred thirty-one billion, one hundred forty-three million, four hundred twenty-two thousand, four hundred thirty-two".
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