Base | Representation |
---|---|
bin | 10010110010001101… |
… | …101101000100001000 |
3 | 1221001200001022102010 |
4 | 102302031231010020 |
5 | 312301432243323 |
6 | 13133232535520 |
7 | 1312553344245 |
oct | 226215550410 |
9 | 57050038363 |
10 | 20169806088 |
11 | 8610369933 |
12 | 3aaa9b15a0 |
13 | 1b9591c903 |
14 | d94a885cc |
15 | 7d0b0dc93 |
hex | 4b236d108 |
20169806088 has 32 divisors (see below), whose sum is σ = 50442154560. Its totient is φ = 6720916800.
The previous prime is 20169806071. The next prime is 20169806101. The reversal of 20169806088 is 88060896102.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76263 + ... + 214838.
It is an arithmetic number, because the mean of its divisors is an integer number (1576317330).
Almost surely, 220169806088 is an apocalyptic number.
It is an amenable number.
20169806088 is an abundant number, since it is smaller than the sum of its proper divisors (30272348472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20169806088 is a wasteful number, since it uses less digits than its factorization.
20169806088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 293997 (or 293993 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 48.
The spelling of 20169806088 in words is "twenty billion, one hundred sixty-nine million, eight hundred six thousand, eighty-eight".
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