Base | Representation |
---|---|
bin | 1101011101101010111… |
… | …1101110010011101011 |
3 | 211010000220210112012200 |
4 | 3113122233232103223 |
5 | 12242202110211334 |
6 | 254131554311243 |
7 | 22465623563364 |
oct | 3273257562353 |
9 | 733026715180 |
10 | 231303210219 |
11 | 8a1056a5374 |
12 | 389b2b88523 |
13 | 18a726a4483 |
14 | b2a3644b6b |
15 | 603b6c4799 |
hex | 35dabee4eb |
231303210219 has 12 divisors (see below), whose sum is σ = 334109779536. Its totient is φ = 154199766672.
The previous prime is 231303210217. The next prime is 231303210227. The reversal of 231303210219 is 912012303132.
231303210219 is a `hidden beast` number, since 2 + 313 + 0 + 321 + 0 + 21 + 9 = 666.
It is not a de Polignac number, because 231303210219 - 21 = 231303210217 is a prime.
It is a super-2 number, since 2×2313032102192 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 231303210192 and 231303210201.
It is not an unprimeable number, because it can be changed into a prime (231303210217) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 580669 + ... + 894305.
It is an arithmetic number, because the mean of its divisors is an integer number (27842481628).
Almost surely, 2231303210219 is an apocalyptic number.
231303210219 is a deficient number, since it is larger than the sum of its proper divisors (102806569317).
231303210219 is a wasteful number, since it uses less digits than its factorization.
231303210219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 395586 (or 395583 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 27.
The spelling of 231303210219 in words is "two hundred thirty-one billion, three hundred three million, two hundred ten thousand, two hundred nineteen".
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