Base | Representation |
---|---|
bin | 10010101000101100… |
… | …111110110111110011 |
3 | 1220122112210011202000 |
4 | 102220230332313303 |
5 | 311440104431311 |
6 | 13105332425043 |
7 | 1305605114454 |
oct | 225054766763 |
9 | 56575704660 |
10 | 20010233331 |
11 | 8539289520 |
12 | 3a65478183 |
13 | 1b6b84b76a |
14 | d7b7cb12b |
15 | 7c1add056 |
hex | 4a8b3edf3 |
20010233331 has 32 divisors (see below), whose sum is σ = 32353017600. Its totient is φ = 12122447040.
The previous prime is 20010233317. The next prime is 20010233359. The reversal of 20010233331 is 13333201002.
20010233331 is a `hidden beast` number, since 200 + 102 + 33 + 331 = 666.
It is not a de Polignac number, because 20010233331 - 215 = 20010200563 is a prime.
It is a super-2 number, since 2×200102333312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20010233371) 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, 791535 + ... + 816423.
It is an arithmetic number, because the mean of its divisors is an integer number (1011031800).
Almost surely, 220010233331 is an apocalyptic number.
20010233331 is a deficient number, since it is larger than the sum of its proper divisors (12342784269).
20010233331 is a wasteful number, since it uses less digits than its factorization.
20010233331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27616 (or 27610 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 20010233331 its reverse (13333201002), we get a palindrome (33343434333).
The spelling of 20010233331 in words is "twenty billion, ten million, two hundred thirty-three thousand, three hundred thirty-one".
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