Base | Representation |
---|---|
bin | 10100100111001000… |
… | …101011011100011001 |
3 | 2010010101011202221101 |
4 | 110213020223130121 |
5 | 330311121014001 |
6 | 14100025111401 |
7 | 1412302664062 |
oct | 244710533431 |
9 | 63111152841 |
10 | 22131423001 |
11 | 942767a736 |
12 | 4357928561 |
13 | 211914838c |
14 | 10dd3d1569 |
15 | 897e3da01 |
hex | 52722b719 |
22131423001 has 4 divisors (see below), whose sum is σ = 22845339904. Its totient is φ = 21417506100.
The previous prime is 22131422941. The next prime is 22131423011. The reversal of 22131423001 is 10032413122.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 22131423001 - 211 = 22131420953 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 22131423001.
It is not an unprimeable number, because it can be changed into a prime (22131423011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356958405 + ... + 356958466.
It is an arithmetic number, because the mean of its divisors is an integer number (5711334976).
Almost surely, 222131423001 is an apocalyptic number.
It is an amenable number.
22131423001 is a deficient number, since it is larger than the sum of its proper divisors (713916903).
22131423001 is an equidigital number, since it uses as much as digits as its factorization.
22131423001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 713916902.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 22131423001 its reverse (10032413122), we get a palindrome (32163836123).
The spelling of 22131423001 in words is "twenty-two billion, one hundred thirty-one million, four hundred twenty-three thousand, one".
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