Base | Representation |
---|---|
bin | 10100101011101010… |
… | …001100011011101100 |
3 | 2010022122222121221122 |
4 | 110223222030123230 |
5 | 330440033131430 |
6 | 14111335520112 |
7 | 1414214041406 |
oct | 245352143354 |
9 | 63278877848 |
10 | 22207317740 |
11 | 94664a7563 |
12 | 4379229038 |
13 | 212ba9bcca |
14 | 1109509b76 |
15 | 89e930ee5 |
hex | 52ba8c6ec |
22207317740 has 48 divisors (see below), whose sum is σ = 47548855200. Its totient is φ = 8710612992.
The previous prime is 22207317739. The next prime is 22207317757. The reversal of 22207317740 is 4771370222.
It is a super-2 number, since 2×222073177402 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 22207317740.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158951 + ... + 263969.
It is an arithmetic number, because the mean of its divisors is an integer number (990601150).
Almost surely, 222207317740 is an apocalyptic number.
22207317740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22207317740 is an abundant number, since it is smaller than the sum of its proper divisors (25341537460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22207317740 is a wasteful number, since it uses less digits than its factorization.
22207317740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105234 (or 105232 counting only the distinct ones).
The product of its (nonzero) digits is 32928, while the sum is 35.
Adding to 22207317740 its reverse (4771370222), we get a palindrome (26978687962).
The spelling of 22207317740 in words is "twenty-two billion, two hundred seven million, three hundred seventeen thousand, seven hundred forty".
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