Base | Representation |
---|---|
bin | 10001110011011010001… |
… | …000011001011011000000 |
3 | 11022221212222001000220001 |
4 | 101303122020121123000 |
5 | 130021041132041212 |
6 | 2334011450125344 |
7 | 154250513234650 |
oct | 21633210313300 |
9 | 4287788030801 |
10 | 1223430346432 |
11 | 431943599168 |
12 | 179138420854 |
13 | 8b4a4882018 |
14 | 4330023a360 |
15 | 21c56ba5657 |
hex | 11cda2196c0 |
1223430346432 has 28 divisors (see below), whose sum is σ = 2774565250960. Its totient is φ = 524327291136.
The previous prime is 1223430346429. The next prime is 1223430346459. The reversal of 1223430346432 is 2346430343221.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (28).
It is a junction number, because it is equal to n+sod(n) for n = 1223430346391 and 1223430346400.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365435207 + ... + 1365436102.
Almost surely, 21223430346432 is an apocalyptic number.
It is an amenable number.
1223430346432 is an abundant number, since it is smaller than the sum of its proper divisors (1551134904528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1223430346432 is an equidigital number, since it uses as much as digits as its factorization.
1223430346432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2730871328 (or 2730871318 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 37.
Adding to 1223430346432 its reverse (2346430343221), we get a palindrome (3569860689653).
The spelling of 1223430346432 in words is "one trillion, two hundred twenty-three billion, four hundred thirty million, three hundred forty-six thousand, four hundred thirty-two".
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