Base | Representation |
---|---|
bin | 1010000110001010110101… |
… | …11110010010001110111000 |
3 | 2220121111210100021222021100 |
4 | 11003011122332102032320 |
5 | 10402230112312330242 |
6 | 115115315553011400 |
7 | 4451025342101220 |
oct | 503053276221670 |
9 | 86544710258240 |
10 | 22202212230072 |
11 | 708a9a5aa2236 |
12 | 25a6b2bb53b60 |
13 | c5087628b544 |
14 | 56a842931080 |
15 | 2877e561d54c |
hex | 14315af923b8 |
22202212230072 has 48 divisors (see below), whose sum is σ = 68721133094640. Its totient is φ = 6343489208448.
The previous prime is 22202212230071. The next prime is 22202212230101. The reversal of 22202212230072 is 27003221220222.
It is a happy number.
It is a super-2 number, since 2×222022122300722 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22202212230071) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22026003693 + ... + 22026004700.
It is an arithmetic number, because the mean of its divisors is an integer number (1431690272805).
Almost surely, 222202212230072 is an apocalyptic number.
It is an amenable number.
22202212230072 is an abundant number, since it is smaller than the sum of its proper divisors (46518920864568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22202212230072 is a wasteful number, since it uses less digits than its factorization.
22202212230072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44052008412 (or 44052008405 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 27.
Adding to 22202212230072 its reverse (27003221220222), we get a palindrome (49205433450294).
The spelling of 22202212230072 in words is "twenty-two trillion, two hundred two billion, two hundred twelve million, two hundred thirty thousand, seventy-two".
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