Base | Representation |
---|---|
bin | 10010110101011000… |
… | …100111111010110000 |
3 | 1221012101010212001220 |
4 | 102311120213322300 |
5 | 312404042001430 |
6 | 13142413025040 |
7 | 1314100444242 |
oct | 226530477260 |
9 | 57171125056 |
10 | 20223000240 |
11 | 86383a1443 |
12 | 3b04785180 |
13 | 1ba3955b41 |
14 | d9bb74092 |
15 | 7d561a110 |
hex | 4b5627eb0 |
20223000240 has 80 divisors (see below), whose sum is σ = 65417027328. Its totient is φ = 5158329088.
The previous prime is 20223000211. The next prime is 20223000251. The reversal of 20223000240 is 4200032202.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1826274 + ... + 1837313.
Almost surely, 220223000240 is an apocalyptic number.
20223000240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20223000240 is an abundant number, since it is smaller than the sum of its proper divisors (45194027088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20223000240 is a wasteful number, since it uses less digits than its factorization.
20223000240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3663626 (or 3663620 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 15.
Adding to 20223000240 its reverse (4200032202), we get a palindrome (24423032442).
The spelling of 20223000240 in words is "twenty billion, two hundred twenty-three million, two hundred forty", and thus it is an aban number.
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