Base | Representation |
---|---|
bin | 10101001110011001… |
… | …101110010101000000 |
3 | 2011211021210020210001 |
4 | 111032121232111000 |
5 | 333133242441223 |
6 | 14245241045344 |
7 | 1434522345421 |
oct | 251631562500 |
9 | 64737706701 |
10 | 22790202688 |
11 | 9735525660 |
12 | 4500486854 |
13 | 21c2784646 |
14 | 1162ab9648 |
15 | 8d5bbc9ad |
hex | 54e66e540 |
22790202688 has 112 divisors (see below), whose sum is σ = 53336952000. Its totient is φ = 9548513280.
The previous prime is 22790202679. The next prime is 22790202689. The reversal of 22790202688 is 88620209722.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22790202689) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471888 + ... + 517936.
Almost surely, 222790202688 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22790202688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26668476000).
22790202688 is an abundant number, since it is smaller than the sum of its proper divisors (30546749312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22790202688 is a wasteful number, since it uses less digits than its factorization.
22790202688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46128 (or 46118 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 46.
The spelling of 22790202688 in words is "twenty-two billion, seven hundred ninety million, two hundred two thousand, six hundred eighty-eight".
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