Base | Representation |
---|---|
bin | 1001001110011110100101… |
… | …11001010111101101101010 |
3 | 2122211120121012201121112200 |
4 | 10213033102321113231222 |
5 | 10124402143202344311 |
6 | 111052252532121030 |
7 | 4162544061210345 |
oct | 447172271275552 |
9 | 78746535647480 |
10 | 20288668793706 |
11 | 6512415678335 |
12 | 23380b6166176 |
13 | b422a06b2141 |
14 | 501d9651545c |
15 | 252b4c880556 |
hex | 1273d2e57b6a |
20288668793706 has 24 divisors (see below), whose sum is σ = 43958938164960. Its totient is φ = 6762865631976.
The previous prime is 20288668793699. The next prime is 20288668793717. The reversal of 20288668793706 is 60739786688202.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3655755 + ... + 7344513.
It is an arithmetic number, because the mean of its divisors is an integer number (1831622423540).
Almost surely, 220288668793706 is an apocalyptic number.
20288668793706 is an abundant number, since it is smaller than the sum of its proper divisors (23670269371254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20288668793706 is a wasteful number, since it uses less digits than its factorization.
20288668793706 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3994330 (or 3994327 counting only the distinct ones).
The product of its (nonzero) digits is 585252864, while the sum is 72.
The spelling of 20288668793706 in words is "twenty trillion, two hundred eighty-eight billion, six hundred sixty-eight million, seven hundred ninety-three thousand, seven hundred six".
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