Base | Representation |
---|---|
bin | 10010111011010110… |
… | …001000101100000010 |
3 | 1221110100022221111100 |
4 | 102323112020230002 |
5 | 313110142330310 |
6 | 13200344355230 |
7 | 1316423513616 |
oct | 227326105402 |
9 | 57410287440 |
10 | 20323011330 |
11 | 86898a0236 |
12 | 3b32175b16 |
13 | 1bbb5a16bb |
14 | dab169346 |
15 | 7de2c2ec0 |
hex | 4bb588b02 |
20323011330 has 48 divisors (see below), whose sum is σ = 52886006784. Its totient is φ = 5414733600.
The previous prime is 20323011307. The next prime is 20323011337. The reversal of 20323011330 is 3311032302.
20323011330 is a `hidden beast` number, since 2 + 0 + 32 + 301 + 1 + 330 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (20323011337) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5497 + ... + 201683.
It is an arithmetic number, because the mean of its divisors is an integer number (1101791808).
Almost surely, 220323011330 is an apocalyptic number.
20323011330 is an abundant number, since it is smaller than the sum of its proper divisors (32562995454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20323011330 is a wasteful number, since it uses less digits than its factorization.
20323011330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197351 (or 197348 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 20323011330 its reverse (3311032302), we get a palindrome (23634043632).
The spelling of 20323011330 in words is "twenty billion, three hundred twenty-three million, eleven thousand, three hundred thirty".
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