Base | Representation |
---|---|
bin | 10100101101000101… |
… | …000100100001001111 |
3 | 2010101022210221112112 |
4 | 110231011010201033 |
5 | 331012132443211 |
6 | 14113550254235 |
7 | 1414623401333 |
oct | 245505044117 |
9 | 63338727475 |
10 | 22231140431 |
11 | 9478998935 |
12 | 43851b737b |
13 | 21339c0386 |
14 | 110c74b7c3 |
15 | 8a1a8988b |
hex | 52d14484f |
22231140431 has 8 divisors (see below), whose sum is σ = 23543120304. Its totient is φ = 20919634560.
The previous prime is 22231140419. The next prime is 22231140473. The reversal of 22231140431 is 13404113222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 22231140431 - 218 = 22230878287 is a prime.
It is a super-2 number, since 2×222311404312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 22231140397 and 22231140406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22231140031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19565 + ... + 211766.
It is an arithmetic number, because the mean of its divisors is an integer number (2942890038).
Almost surely, 222231140431 is an apocalyptic number.
22231140431 is a deficient number, since it is larger than the sum of its proper divisors (1311979873).
22231140431 is a wasteful number, since it uses less digits than its factorization.
22231140431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 237001.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 22231140431 its reverse (13404113222), we get a palindrome (35635253653).
The spelling of 22231140431 in words is "twenty-two billion, two hundred thirty-one million, one hundred forty thousand, four hundred thirty-one".
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