Base | Representation |
---|---|
bin | 10100011111101011… |
… | …100100011010000000 |
3 | 2002210122211111002010 |
4 | 110133223210122000 |
5 | 330032111221423 |
6 | 14035400252520 |
7 | 1406223621102 |
oct | 243753443200 |
9 | 62718744063 |
10 | 22006351488 |
11 | 9373014650 |
12 | 4321a71140 |
13 | 20c9266c74 |
14 | 10ca955572 |
15 | 88be85693 |
hex | 51fae4680 |
22006351488 has 256 divisors, whose sum is σ = 69099402240. Its totient is φ = 6129500160.
The previous prime is 22006351483. The next prime is 22006351547. The reversal of 22006351488 is 88415360022.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (22006351481) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3084181 + ... + 3091307.
It is an arithmetic number, because the mean of its divisors is an integer number (269919540).
Almost surely, 222006351488 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 22006351488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34549701120).
22006351488 is an abundant number, since it is smaller than the sum of its proper divisors (47093050752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22006351488 is a wasteful number, since it uses less digits than its factorization.
22006351488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7215 (or 7203 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 39.
The spelling of 22006351488 in words is "twenty-two billion, six million, three hundred fifty-one thousand, four hundred eighty-eight".
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