Base | Representation |
---|---|
bin | 1100111110110100011… |
… | …0000110110011100111 |
3 | 210022122201121102011010 |
4 | 3033231012012303213 |
5 | 12123221402224111 |
6 | 250242100513303 |
7 | 22053446231634 |
oct | 3175506066347 |
9 | 708581542133 |
10 | 223021133031 |
11 | 86645685184 |
12 | 372813ab833 |
13 | 1805289a398 |
14 | ab1971118b |
15 | 5c0455aaa6 |
hex | 33ed186ce7 |
223021133031 has 8 divisors (see below), whose sum is σ = 297364711680. Its totient is φ = 148679154872.
The previous prime is 223021133029. The next prime is 223021133033. The reversal of 223021133031 is 130331120322.
It is an interprime number because it is at equal distance from previous prime (223021133029) and next prime (223021133033).
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 223021133031 - 21 = 223021133029 is a prime.
It is a super-2 number, since 2×2230211330312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 223021132989 and 223021133007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223021133033) 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, 24645 + ... + 668318.
It is an arithmetic number, because the mean of its divisors is an integer number (37170588960).
Almost surely, 2223021133031 is an apocalyptic number.
223021133031 is a deficient number, since it is larger than the sum of its proper divisors (74343578649).
223021133031 is a wasteful number, since it uses less digits than its factorization.
223021133031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 800245.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 223021133031 its reverse (130331120322), we get a palindrome (353352253353).
The spelling of 223021133031 in words is "two hundred twenty-three billion, twenty-one million, one hundred thirty-three thousand, thirty-one".
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