Base | Representation |
---|---|
bin | 10100101011110101… |
… | …010011110010000111 |
3 | 2010022212110122210010 |
4 | 110223311103302013 |
5 | 330441304401211 |
6 | 14111522201303 |
7 | 1414250565213 |
oct | 245365236207 |
9 | 63285418703 |
10 | 22210231431 |
11 | 9468107673 |
12 | 437a1b3233 |
13 | 212c57c29b |
14 | 1109a67943 |
15 | 89ed094a6 |
hex | 52bd53c87 |
22210231431 has 16 divisors (see below), whose sum is σ = 31611306240. Its totient is φ = 13829941440.
The previous prime is 22210231429. The next prime is 22210231447. The reversal of 22210231431 is 13413201222.
It is not a de Polignac number, because 22210231431 - 21 = 22210231429 is a prime.
It is a super-2 number, since 2×222102314312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22210231398 and 22210231407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22210231411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2739990 + ... + 2748083.
It is an arithmetic number, because the mean of its divisors is an integer number (1975706640).
Almost surely, 222210231431 is an apocalyptic number.
22210231431 is a deficient number, since it is larger than the sum of its proper divisors (9401074809).
22210231431 is a wasteful number, since it uses less digits than its factorization.
22210231431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5488166.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 22210231431 its reverse (13413201222), we get a palindrome (35623432653).
The spelling of 22210231431 in words is "twenty-two billion, two hundred ten million, two hundred thirty-one thousand, four hundred thirty-one".
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