Base | Representation |
---|---|
bin | 10010101100001110… |
… | …110001011101101100 |
3 | 1220210200011022122100 |
4 | 102230032301131230 |
5 | 312100233013311 |
6 | 13115245215100 |
7 | 1310224165122 |
oct | 225416613554 |
9 | 56720138570 |
10 | 20069422956 |
11 | 8569736570 |
12 | 3a81261490 |
13 | 1b7aba38cb |
14 | d855d7912 |
15 | 7c6dd0a56 |
hex | 4ac3b176c |
20069422956 has 72 divisors (see below), whose sum is σ = 55358516304. Its totient is φ = 6079933440.
The previous prime is 20069422937. The next prime is 20069422957. The reversal of 20069422956 is 65922496002.
It is not an unprimeable number, because it can be changed into a prime (20069422957) 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, 2702160 + ... + 2709576.
It is an arithmetic number, because the mean of its divisors is an integer number (768868282).
Almost surely, 220069422956 is an apocalyptic number.
It is an amenable number.
20069422956 is an abundant number, since it is smaller than the sum of its proper divisors (35289093348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20069422956 is a wasteful number, since it uses less digits than its factorization.
20069422956 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14271 (or 14266 counting only the distinct ones).
The product of its (nonzero) digits is 466560, while the sum is 45.
The spelling of 20069422956 in words is "twenty billion, sixty-nine million, four hundred twenty-two thousand, nine hundred fifty-six".
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