Base | Representation |
---|---|
bin | 10010111010000110… |
… | …110101110000011000 |
3 | 1221101220012212012100 |
4 | 102322012311300120 |
5 | 313034332140113 |
6 | 13154323043400 |
7 | 1316052026424 |
oct | 227206656030 |
9 | 57356185170 |
10 | 20302224408 |
11 | 8679092764 |
12 | 3b27210560 |
13 | 1bb71a404b |
14 | da84b7b84 |
15 | 7dc568d73 |
hex | 4ba1b5c18 |
20302224408 has 24 divisors (see below), whose sum is σ = 54985191300. Its totient is φ = 6767408112.
The previous prime is 20302224401. The next prime is 20302224419. The reversal of 20302224408 is 80442220302.
20302224408 is a `hidden beast` number, since 2 + 0 + 30 + 2 + 224 + 408 = 666.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20302224401) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140987598 + ... + 140987741.
Almost surely, 220302224408 is an apocalyptic number.
It is an amenable number.
20302224408 is an abundant number, since it is smaller than the sum of its proper divisors (34682966892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302224408 is a wasteful number, since it uses less digits than its factorization.
20302224408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281975351 (or 281975344 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 27.
The spelling of 20302224408 in words is "twenty billion, three hundred two million, two hundred twenty-four thousand, four hundred eight".
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