Base | Representation |
---|---|
bin | 1100111111001100101… |
… | …1011110001111010111 |
3 | 210022220211200002212111 |
4 | 3033303023132033113 |
5 | 12123424014444111 |
6 | 250300144331451 |
7 | 22056125635051 |
oct | 3176313361727 |
9 | 708824602774 |
10 | 223123203031 |
11 | 8669825a953 |
12 | 372ab613b87 |
13 | 1806aa87131 |
14 | ab290c08d1 |
15 | 5c0d4bda21 |
hex | 33f32de3d7 |
223123203031 has 8 divisors (see below), whose sum is σ = 223969857264. Its totient is φ = 222276922560.
The previous prime is 223123203007. The next prime is 223123203041. The reversal of 223123203031 is 130302321322.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 223123203031 - 217 = 223123071959 is a prime.
It is a super-3 number, since 3×2231232030313 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 223123202993 and 223123203011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223123203001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133196 + ... + 1315438.
It is an arithmetic number, because the mean of its divisors is an integer number (27996232158).
Almost surely, 2223123203031 is an apocalyptic number.
223123203031 is a deficient number, since it is larger than the sum of its proper divisors (846654233).
223123203031 is a wasteful number, since it uses less digits than its factorization.
223123203031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186881.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 223123203031 its reverse (130302321322), we get a palindrome (353425524353).
The spelling of 223123203031 in words is "two hundred twenty-three billion, one hundred twenty-three million, two hundred three thousand, thirty-one".
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