Base | Representation |
---|---|
bin | 1010001011111101100010… |
… | …11011110010111001110100 |
3 | 2221022112111022210100210001 |
4 | 11011332301123302321310 |
5 | 10414010210203133020 |
6 | 115350552242241044 |
7 | 4501302252230326 |
oct | 505766133627164 |
9 | 87275438710701 |
10 | 22401231302260 |
11 | 7157344086898 |
12 | 2619613056184 |
13 | c665722ba555 |
14 | 57632262b616 |
15 | 28ca928cc50a |
hex | 145fb16f2e74 |
22401231302260 has 12 divisors (see below), whose sum is σ = 47042585734788. Its totient is φ = 8960492520896.
The previous prime is 22401231302243. The next prime is 22401231302269. The reversal of 22401231302260 is 6220313210422.
It can be written as a sum of positive squares in 2 ways, for example, as 14378945473764 + 8022285828496 = 3791958^2 + 2832364^2 .
It is a super-2 number, since 2×224012313022602 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22401231302269) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560030782537 + ... + 560030782576.
It is an arithmetic number, because the mean of its divisors is an integer number (3920215477899).
Almost surely, 222401231302260 is an apocalyptic number.
22401231302260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22401231302260 is an abundant number, since it is smaller than the sum of its proper divisors (24641354432528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22401231302260 is a wasteful number, since it uses less digits than its factorization.
22401231302260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1120061565122 (or 1120061565120 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 22401231302260 its reverse (6220313210422), we get a palindrome (28621544512682).
The spelling of 22401231302260 in words is "twenty-two trillion, four hundred one billion, two hundred thirty-one million, three hundred two thousand, two hundred sixty".
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