Base | Representation |
---|---|
bin | 1100111111011111000… |
… | …1010001011101100111 |
3 | 210100010012121000201000 |
4 | 3033313301101131213 |
5 | 12124103224033111 |
6 | 250311535204343 |
7 | 22061052401244 |
oct | 3176761213547 |
9 | 710105530630 |
10 | 223200221031 |
11 | 86727784697 |
12 | 373113766b3 |
13 | 18080a12108 |
14 | ab3540c5cb |
15 | 5c15133c56 |
hex | 33f7c51767 |
223200221031 has 32 divisors (see below), whose sum is σ = 338594227200. Its totient is φ = 145249614720.
The previous prime is 223200221029. The next prime is 223200221077. The reversal of 223200221031 is 130122002322.
223200221031 is a `hidden beast` number, since 223 + 200 + 2 + 210 + 31 = 666.
It is not a de Polignac number, because 223200221031 - 21 = 223200221029 is a prime.
It is a super-3 number, since 3×2232002210313 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 223200220995 and 223200221013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223200221021) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248911 + ... + 712991.
It is an arithmetic number, because the mean of its divisors is an integer number (10581069600).
Almost surely, 2223200221031 is an apocalyptic number.
223200221031 is a deficient number, since it is larger than the sum of its proper divisors (115394006169).
223200221031 is a wasteful number, since it uses less digits than its factorization.
223200221031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 464516 (or 464510 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 223200221031 its reverse (130122002322), we get a palindrome (353322223353).
The spelling of 223200221031 in words is "two hundred twenty-three billion, two hundred million, two hundred twenty-one thousand, thirty-one".
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