Base | Representation |
---|---|
bin | 10100101011110101… |
… | …101001011101100111 |
3 | 2010022212122011121000 |
4 | 110223311221131213 |
5 | 330441320221411 |
6 | 14111524124343 |
7 | 1414251415131 |
oct | 245365513547 |
9 | 63285564530 |
10 | 22210320231 |
11 | 9468168360 |
12 | 437a2366b3 |
13 | 212c5b0828 |
14 | 1109a8c051 |
15 | 89ed25956 |
hex | 52bd69767 |
22210320231 has 64 divisors (see below), whose sum is σ = 37820989440. Its totient is φ = 12750138720.
The previous prime is 22210320221. The next prime is 22210320247. The reversal of 22210320231 is 13202301222.
It is not a de Polignac number, because 22210320231 - 210 = 22210319207 is a prime.
It is a super-2 number, since 2×222103202312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22210320221) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 687810 + ... + 719376.
It is an arithmetic number, because the mean of its divisors is an integer number (590952960).
Almost surely, 222210320231 is an apocalyptic number.
22210320231 is a deficient number, since it is larger than the sum of its proper divisors (15610669209).
22210320231 is a wasteful number, since it uses less digits than its factorization.
22210320231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31713 (or 31707 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 22210320231 its reverse (13202301222), we get a palindrome (35412621453).
The spelling of 22210320231 in words is "twenty-two billion, two hundred ten million, three hundred twenty thousand, two hundred thirty-one".
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