Base | Representation |
---|---|
bin | 10010111010101101… |
… | …011000111111110110 |
3 | 1221102121020021210001 |
4 | 102322231120333312 |
5 | 313044424031410 |
6 | 13155323421514 |
7 | 1316233646443 |
oct | 227255307766 |
9 | 57377207701 |
10 | 20312330230 |
11 | 8683865385 |
12 | 3b2a68489a |
13 | 1bb9301b1a |
14 | da99889ca |
15 | 7dd3b333a |
hex | 4bab58ff6 |
20312330230 has 8 divisors (see below), whose sum is σ = 36562194432. Its totient is φ = 8124932088.
The previous prime is 20312330219. The next prime is 20312330257. The reversal of 20312330230 is 3203321302.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 20312330198 and 20312330207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015616502 + ... + 1015616521.
It is an arithmetic number, because the mean of its divisors is an integer number (4570274304).
Almost surely, 220312330230 is an apocalyptic number.
20312330230 is a deficient number, since it is larger than the sum of its proper divisors (16249864202).
20312330230 is a wasteful number, since it uses less digits than its factorization.
20312330230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2031233030.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 20312330230 its reverse (3203321302), we get a palindrome (23515651532).
The spelling of 20312330230 in words is "twenty billion, three hundred twelve million, three hundred thirty thousand, two hundred thirty".
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