Base | Representation |
---|---|
bin | 1101011001101011110… |
… | …1010011110110000101 |
3 | 211000021100001201222001 |
4 | 3112122331103312011 |
5 | 12233004123430041 |
6 | 253433444505301 |
7 | 22430250315451 |
oct | 3263275236605 |
9 | 730240051861 |
10 | 230233030021 |
11 | 897065a8125 |
12 | 387546ab231 |
13 | 18931a64757 |
14 | b201469661 |
15 | 5ec777e131 |
hex | 359af53d85 |
230233030021 has 16 divisors (see below), whose sum is σ = 245481088320. Its totient is φ = 215179336960.
The previous prime is 230233029959. The next prime is 230233030039. The reversal of 230233030021 is 120030332032.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 230233030021 - 213 = 230233021829 is a prime.
It is a super-2 number, since 2×2302330300212 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230233030061) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1424466 + ... + 1577836.
It is an arithmetic number, because the mean of its divisors is an integer number (15342568020).
Almost surely, 2230233030021 is an apocalyptic number.
It is an amenable number.
230233030021 is a deficient number, since it is larger than the sum of its proper divisors (15248058299).
230233030021 is a wasteful number, since it uses less digits than its factorization.
230233030021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154004.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 230233030021 its reverse (120030332032), we get a palindrome (350263362053).
The spelling of 230233030021 in words is "two hundred thirty billion, two hundred thirty-three million, thirty thousand, twenty-one".
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