Base | Representation |
---|---|
bin | 10010101000000111… |
… | …001101010111001100 |
3 | 1220121212011002120212 |
4 | 102220013031113030 |
5 | 311430041044322 |
6 | 13104340301552 |
7 | 1305425003351 |
oct | 225007152714 |
9 | 56555132525 |
10 | 20000331212 |
11 | 8533735954 |
12 | 3a620a18b8 |
13 | 1b69792614 |
14 | d7a370628 |
15 | 7c0cd40e2 |
hex | 4a81cd5cc |
20000331212 has 12 divisors (see below), whose sum is σ = 35001799560. Its totient is φ = 9999817056.
The previous prime is 20000331179. The next prime is 20000331229. The reversal of 20000331212 is 21213300002.
It is a happy 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, 75839 + ... + 213897.
It is an arithmetic number, because the mean of its divisors is an integer number (2916816630).
Almost surely, 220000331212 is an apocalyptic number.
It is an amenable number.
20000331212 is a deficient number, since it is larger than the sum of its proper divisors (15001468348).
20000331212 is a wasteful number, since it uses less digits than its factorization.
20000331212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174280 (or 174278 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 20000331212 its reverse (21213300002), we get a palindrome (41213631214).
The spelling of 20000331212 in words is "twenty billion, three hundred thirty-one thousand, two hundred twelve".
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